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Missirlis in article [1]. At the same time, a sufficient condition for convergence of the PSD method is given to be compared when the coefficient matrix A of the linear system Ax = b is a symmetric, positively defective matrix. In §3.2, an example is given to state that the range of our sufficient condition is wider than theorem 3.3 of article [1]. On the other hand, following a.n analogous approach of [14] and starting the functional relationshipwe have a perfect analysis for the PSD method to converge and optimum valves for the involved parameters under different conditions.Under the assumptions that A is a consistent ordered matrix with nonvanishing diagonal elements and the eigenvalues of the Jacobi matrix of A are real,we get necessary and sufficient conditions for the PSD method to convergence.The result is equal to theorem 1 of article [9].Under the same condition, we can see the optimal parameter and of corresponding spectral radius of thePSD method in [8]:(2)When A is a consistent ordered matrix with nonvanishing diagonal elements and the eigenvalues of the Jacobi matrix of A are imaginary or zero,we get necessary and sufficient conditions for the PSD method to convergence.In chapter 3, the optimal parameter and of corresponding spectral radius of the PSD method are given by table 3.3. Moreover, under the assumption 0

Missirlis在文献[1]中定理3.3的不准确，同时给出了当线性方程组Ax=b的系数矩阵A为对称正定阵时，PSD迭代法收敛的一个充分条件与之比较，并且在§2.3中用实例说明了对于一部分矩阵而言本文得到的充分条件广于[1]中定理3.3的充分条件；另一方面，按照文献[14]的方法，我们从PSD迭代法的特征值λ与其Jacobi迭代矩阵B的特征值μ的关系式：出发，在不同条件下对PSD迭代法的收敛性和最优参数以及最优谱半径进行了完整的分析：(1)在系数矩阵A为(1，1)相容次序矩阵且对角元全不为零，其Jacobi迭代矩阵B的特征值全为实数的条件下，给出了PSD迭代法收敛的充分必要条件，此结果与[9]中的定理1等价，此时最优参数及最优谱半径由[8]得：(2)第三章表3.3中给出了，当系数矩阵A为(1，1)相容次序矩阵且对角元全不为零，其Jacobi迭代矩阵B的特征值全为纯虚数或零时的PSD迭代法的收敛范围和最优参数，并且我们可以得到当0

Sicken the mongness swing at i i beat show maker rule shake it shake it down i be the negro what a ha profa everybody come on we will be the shaker what'a crazy star so what everybody had enjoyed crazy wild look rock it in the sigh chilly women happy be the big down explaining the heart but super cheater baby baby come on you better rock with me i be the hasha blade for no what you may lay in XXX everybody scream XXX everybody dance i am the king of the swear or will you rock in dead cause when we in the place that we talk in shock in the world cause we will bullshit and speak makes it rocks in a city last night a jewel saved my life, now that all you want last night a jewel saved my life, there's a party going on last night a jewel saved my life, now is bergy time last night a jewel saved my life, there's a party going on now yo wow wrong wanna a chair super negro wanna said hanging out man negro show will love some of a faggot you are murd when i dread to make a connect to yo babies dont try helicopter pipe-check we'll be smoking a cigar so as bad as sharper rocking down somebody everywhere of a party over there man sweetie homie sot all the danstroll mad all train the city cause we the best droll size the rockies to flat by a squash like a super star try to right up at the top whoever say no way, check it out the quality's down whoever like it or moaning out turning our stuff around should get down jungle fibre getting tie boogy night smoothy is looking for kill we'll be the one and the male we'll be the top place wrong place raping the world cause we would have top place now start the pub we'll be the hard too, shaking everybody what a tough shit bar man rocks for its tale beating me in the dance my moving XXX everybody dance i'll be the dance keep surprising everybody with a jet and never tell mine too, my thingy got to swing it with me you taking over your mind cause where the jackets were the baseline checking it hard cause we'll be the place sudden start bald day damn number rare yo, yeah, come on ,come on ,come on, come on damn number rare yo moving out yo swing twenty fold pop yo fly yo

使mongness 摇摆厌恶在i 我摔打展示制作商规则震动它震动它击倒 i 是黑人ha profa 大家进展我们将是振动器what'a 疯狂的星如此什么大家享受疯狂的狂放的神色晃动它在叹气冷颤的妇女愉快是大下来解释心脏但超级骗子婴孩婴孩进展您改善岩石与我 i 是hasha 刀片为没有什么您可以放置 XXX 大家尖叫 XXX 大家舞蹈我是发誓的国王或您晃动在死者的意志起因当我们在我们谈在震动在世界上的地方导致我们意志胡说和讲牌子它岩石在城市昨晚珠宝拯救了我的生命，即然所有您要昨晚珠宝拯救了我的生命， there's 党继续昨晚珠宝拯救了我的生命，现在是bergy 时间昨晚珠宝拯救了我的生命， there's 党继续现在 yo 哇错误要对椅子超级黑人要对前述垂悬在人黑人展示之外将爱一些faggot 您是murd 当我畏惧做a 连接对yo 婴孩不尝试直升机管子检查 we'll 抽雪茄至于坏象更加锋利晃动在某人到处党下在那供以人员糖果homie sot 所有danstroll 疯狂所有训练城市起因我们最佳滑稽可笑估量罗基斯对舱内甲板由南瓜象一次超级星尝试在右边在上面谁不说方式，检查它在quality's 之外下来谁喜欢或呻吟在扭转我们的材料之外如果得到在密林纤维下得到领带 boogy 夜 smoothy 寻找杀害 we'll 是那个和男性 we'll 是顶面地方错误地方强奸世界起因我们现在会安排顶面地方开始客栈 we'll 是坚硬的，震动大家坚韧shit 酒吧供以人员岩石为它的传说把我难住在舞蹈我行动的XXX 大家舞蹈 i'll 是舞蹈保留惊奇大家与喷气机并且从未告诉我的，我thingy 被得到对摇摆它与我您接收您的头脑起因夹克是基础线的地方检查它坚硬起因we'll 是地方突然的起动秃头天数字罕见的yo，呀，进展，进展，进展，进展数字罕见的yo 行动在yo 之外摇摆二十折叠流行音乐yo 飞行yo

He held the register open while he counted her change I was next in line which meant I was invisible From where I stood I could see that the till was full He didn't look the type to play superhero So I stepped forth and paid for my cigarettes Crept out the stores front door to chase a little breath Fangles in my head, shake the song off Another manic Monday night, its gonna be a long walk A car pulled up, a fixed up cutlass A woman and a child climbed out and left it running They went inside of the deli, placed an order With the extra dollar fifty bottled water cuz the daughters picky When they came out mommy gave me a glance That said man can love an angel but he's got to take the chance Already knew the deal, I lit one up and walk So they got back in the oldsmobile, belted up, and took off Thug love on the corner by the walgreens Lookin at me like I'm just another square saltine As I get closer I notice that they showin each other sketches Out of their notebooks, reminded me of my old roots I walk pass with a nod and a reminisce Swear to god hip hop and comic books was my genesis Respect the life and the fashions of the children It's the only culture I've got, exactly what we've been buildin All of a sudden I'm in front of some man No he's a youngin but he's got a gun in his hand He looks fifteen, he looks frantic, no he looks afraid Immediately apprehensive til I heard him say "Do you want this It's not mine I promise I found it on my block in between a couple garages Didn't wanna leave it for a child to stumble over I don't even know how to hold it."

当他计数了她的变动时，他拿着记数器开放 I是意味的下一个我是无形的我站立我的From可能看直到是充分的 He没有看类型演奏超级英雄 So我跨步并且支付了我的香烟 Crept追逐一点呼吸的商店前门在我的头的Fangles，摆脱歌曲 Another狂躁星期一晚上，它去是长的步行 A汽车开了过来，被固定短箭 A妇女和孩子爬和留下它跑 They去在熟食店里面，安置命令 With额外美元五十装瓶了水cuz女儿好挑剔的他们来妈妈的When给了我扫视 That说人能爱天使，但是他一定采取机会 Already知道成交，我打开了一和步行他们在oldsmobile拿回，围绕的So，和离开了在角落的Thug爱由walgreens 在我的Lookin，如我是另一块方形的撒盐饼干 As我得到更加紧密I通知那他们showin剪影在他们的笔记本外面的，被提醒我我的老根 I与点头和追忆的步行通行证对神Hip Hop和漫画书的Swear是我的创世纪 Respect生活和孩子的时尚 It是我有的唯一的文化，正确地什么我们是buildin 突然我是在某些人前面 No他是youngin，但是他有在他的手的一杆枪 He看十五，他看起来狂热，没有他看起来害怕惶惑的Immediately，我听见他说"您想要它不是我的我许诺的此 I发现了它在我的在夫妇车库之间的块 Did不想要留下它孩子的能绊倒 I甚而不会举行它。"

Parsley, sage, rosemary and thyme Remember me to one who lives there She once was a true love of mine Tell her to make me a cambric shirt (On the side of a hill, in the deep forest green) Parsley, sage, rosemary and thyme (Tracing of sparrow on snow-crested brown) Without no seams nor needlework (Blankets and bedclothes the child of the mountain) Then she'll be a true love of mine (Sleeps unaware of the clarion call) Tell her to find me an acre of land (On the side of a hill a sprinkling of leaves) Parsley, sage, rosemary and thyme (Washes the grave with silvery tears) Between the salt water and the sea strand (A soldier cleans and polishes a gun) Then she'll be a true love of mine (Sleeps unaware of the clarion call) Tell her to reap it in a sickle of leather (War bellows blazing in scarlet battalions) Parsley, sage, rosemary and thyme (Generals order their soldiers to kill) And to gather it all in a bunch of heather (And to fight for a cause they've long ago forgotten) Then she'll be a true love of mine

香菜、鼠尾草、迷迭香和百里香请代我向她问候她曾是我的挚爱请她为我做一件棉衬衫(在山丘的那一边，在蓊郁的森林里)香菜、鼠尾草、迷迭香和百里香不能有接缝，也不能用针线(毛毯、床单和山上的孩子)这样，她就可以成为我的挚爱(睡梦中浑然不觉那嘹亮的召唤)请她为我找一亩地(在山丘的那一边，几片树叶飘落下来)香菜、鼠尾草、迷迭香和百里香地必须位在海水和海岸之间(一位士兵洗净并擦亮了步枪)这样，她就可以成为我的挚爱(睡梦中却浑然不觉那嘹亮的召唤)请她用皮制的镰刀收割(战争在鲜红的军营里怒吼燃烧)香菜、鼠尾草、迷迭香和百里香(将军下令士兵们开始杀戮)用石南草捆扎成束为了一个他们早已遗忘的理由而战斗这样，她就可以成为我的挚爱 Hijo de la luna月亮之子 Tonto el que no entienda搞不懂的愚人哪 Cuenta una leyenda这是一个传说 Que una hembra gitana关于一名吉普赛女郎 Conjuró a la luna hasta el amanecer。

Artist : Lady Sovereign Title : Love Me Or Hate Me Album : N/A Genre : Modern Rock Email this page to a friend Yeah It's officially the biggest midget in the game... I dunno Make way for the Ess Oh Vee Love me or hate me it's still an obsession Love me or hate me that is the question If you love me then thank you If you hate me then f**k you x 2 I'm fat I need a diet Na in fact I'm just too light and I aint got the biggest breast-s-s But I wrote all the best disses I got hairy armpits But I don't walk around like this I wear a big baggy T-shirt That hides that nasty sh*t Ugh... never had my nails done Bite them down until they're numb I'm the one with a non-existent bum I don't really give a UGH I'm missing my shepherd's pie Like a high maintenance chick missing her diamonds I'm missing my Clipper lighters Now bow down to your royal highness No, I don't own a corgi I had a hampster It died cos I ignored it Go on then, go on report me I'm English, try and deport me Love me or hate me it's still an obsession Love me or hate me that is the question If you love me then thank you If you hate me then f**k you x 2 I'm a funky little monkey With the tiniest ears I don't like drinking fancy champi I stick with Heineken beers Oops, might burp in your face A little unladylike, what can I say?

标题： 爱我或恨我册页： N/A 风格：现代岩石给这页发电子邮件给朋友呀它正式地是最大的侏儒在比赛… I dunno做方式为Ess Oh Vee 爱我或恨它是成见仍然爱我的我或恨我是问题，如果您爱我然后感谢您，如果您恨我然后f ** k您x 2 我是肥胖的我需要饮食Na实际上我是太轻的，并且I aint得到了最大的乳房s s，但我写了我得到长毛的腋窝的所有最佳的disses，但我不象我穿着一件大宽松的T恤杉掩藏那讨厌的sh*t Ugh…的这样走动未曾安排我的钉子做咬住他们下来，直到他们麻木我是那个与一不存在二赖子我真正地不给我错过我的牧羊人的饼象错过她的金刚石的一只高效维护小鸡我错过我的飞剪机打火机现在压垮对殿下没有的UGH，我没拥有我有一hampster它死COS我在报告忽略它然后继续，去我我英语，尝试并且递解我的corgi 爱我或恨它是成见仍然爱我的我或恨我是问题，如果您爱我然后感谢您，如果您恨我然后f ** k您x 2 我一只质朴的小的猴子是否是用我不喜欢喝花梢champi I棍子用Heineken啤酒Oops的最微小的耳朵，也许打嗝在您面对A少许unladylike，我什么能说？

Bosson--One In A Million You're one in a million, Oh now You're one in a million, Oh Sometimes I can't hate you every day Sometimes you can fall for everyone you see Only one can really make me stay A sign from the sky Said to me You're one in a million You're once in a lifetime You made me discover one of the stars above us You're one in a million You're once in a lifetime You made me discover one of the stars above us I've been looking for that special one And I've been searching for someone to give my love And when I thought that all the hope was gone You smile, there you were and I was gone I always will remember how I felt that day A feeling indescribable to me, Yeah I always knew there was an answer for my prayer And you, you're the one for me You're one in a million You're once in a lifetime You made me discover one of the stars above us You're one in a million You're once in a lifetime You made me discover one of the stars above us You're one in a million You're once in a lifetime You made me discover one of the stars above us You're one in a million You're once in a lifetime You made me discover one of the stars above us I was cool and everything was possible You tried to catch me but it wasn't possible No one could hurt me it was my game Until I met you baby and went insane And when you didn't want me, I wanted you Because the finer thing bout it was I like to go I like it when its difficult I like it when it's hard You know it's worth it if ya find your heart You're one in a million You're once in a lifetime You made me discover one of the stars above us You're one in a million You're once in a lifetime You made me discover one of the stars above us You're one in a million You're once in a lifetime You made me discover one of the stars above us You're one in a million You're once in a lifetime You made me discover one of the stars above us You're one in a million, Oh You're one in a million

Bosson--一在A百万 You现在是一个在百万，哦 You是一个在百万，哦 Sometimes我不可能每天恨您 Sometimes您能为您看的每个人跌倒Only一可能真正地做我逗留从天空的A标志对我的Said You是一个在百万 You一次在一生 You使我发现其中一个在我们之上的星 You是一个在百万 You一次在一生 You使我发现其中一个在我们之上的星 I寻找那特别一个我搜寻某人给我的爱的AndAnd，当我认为所有希望是去的 You微笑，那里您是，并且我去 I永远将记住我怎么感觉那天感到的A难以描述对我，呀 I总是知道有我的祷告的一个答复And您，您是那个我的 You是一个在百万 You一次在一生 You使我发现其中一个在我们之上的星 You是一个在百万 You一次在一生 You使我发现其中一个在我们之上的星 You是一个在百万 You一次在一生 You使我发现其中一个在我们之上的星 You是一个在百万 You一次在一生 You使我发现其中一个在我们之上的星 I是凉快的，并且一切是可能的 You设法捉住我，但是它不是可能的没人可能伤害我它是我的比赛 Until我遇见了您婴孩并且去疯狂 And，当您没有想要我，我想要您 Because越美好的事回合它是我喜欢去 I喜欢，当它困难我喜欢时，当它是坚硬时You知道它值得它，如果ya发现您的心脏 You是一个在百万 You一次在一生 You使我发现其中一个在我们之上的星 You是一个在百万 You一次在一生 You使我发现其中一个在我们之上的星 You是一个在百万 You一次在一生 You使我发现其中一个在我们之上的星 You是一个在百万 You一次在一生 You使我发现其中一个在我们之上的星 You是一个在百万，哦 You是一个在百万

However, the government soon seized Yug a nsknefteg a z a nd a uctioned it of f to a front comp a ny c a lled B a ik a lFin a nceGroup, which h a d been registered two weeks e a rlier a t the a ddress of a vodk a b a r in the provinci a l Russi a n town of Tver.

然而，不久俄政府就接管了Yug a nsknefteg a z并将其拍卖给了皮包公司B a ik a l金融集团（拍卖前两周以州立小镇Tver的一家伏尔加酒馆的地址注册的公司）。

Results There were statistical significances between Group A and B on the incidence rate of the chylothorax after operation(A:1/45;B:9/92,P＝0.03), thoracic drainage within 48 h(the first 24 h:A:254.33 ml±45.15 ml,B:493.61 ml±76.67 ml;the second 24 h:A:141.11 ml±25.53 ml,B:323.39 ml±58.17 ml;P＜0.05),the decannulation rate within 3 days (A:94.78%;B:62.21%,P=0.001),complication(A:3/45; B:0/92, P=0.034) and cancer metastasis of supraclavicular lymph nodes (A:0/45;B:9/92,P=0.03) by follow-up.

结果 两组患者在术后乳糜胸发生率(A：1/45；B：9/92，P=0.03)、术后48 h胸腔引流量〔第1个24 h：A：(254.33±45.15)ml，B：(493.61±76.67)ml；第2个24 h：A：(141.11±25.53)ml，B：(323.39±58.17)ml；P＜0.05〕、3天内拨管率(A：94.78％；B：62.21％，P=0.001)、并发症(A：3/45，B：0/92，P=0.034)以及随访锁骨上淋巴结转移(A：0/45，B：9/92，P=0.03)等方面有统计学意义。

However, fully consideration of special structure and physiological function of CRP is critical to investigate whether CRP provide protect effect or pathogenic effect in the progression of atherosclerosis. CRP is a member of pentrxins family, which consists of five identical, noncovalently associated 23-kDa protomers arranged symmetrically around a central pore with a 102 A external diameter. Each protomer has a recognition face with a phosphocholine binding site consisting of two coordinated calcium ions adjacent to a hydrophobic pocket. The opposite face of the pentamer is the effector face, where complement Clq binds and Fc receptors are presumed to bind. A cleft extends from the center of the protomer to the central pore of the pentamer. Both faces ofpentamer form a special bi-phase structure: one face is the ligand recognition phase, which can recognize apoptosis cells and enzyme modified low density lipoprotein in which PCh is exposed.

CRP是一种五聚体蛋白，外径为102 A，由5个相同的单体以非共价键结合，形成双面的环形结构，每个单体的配体识别位点或受体结合位点分别位于五聚体两个平面上，分别组成配体识别相和效应器相，从而构成特殊的二相性结构：一面为配体识别相，含有磷酸胆碱(phosphorycholine，PCh)结合位点，能够使CRP识别在病理条件下暴露出PCh的凋亡细胞、酶修饰低密度脂蛋白(enzyme modified low density lipoprotein，E-LDL)等。E-LDL是天然低密度脂蛋白(native Low density lipoprotein，N-LDL)在多种蛋白酶，如胰蛋白酶、神经氨酸酶、胆固醇酯酶等作用下的代谢产物，其主要特点是结构发生改变(N-LDL大小均匀，平均直径250±30 A，E-LDL大小差异极大，直径为100-2000 A)，暴露磷酸胆碱位点，能够被CRP识别；另一面为效应器相，能够与巨噬细胞、单核细胞表面受体FcγRⅡa结合，介导巨噬细胞、单核细胞识别及吞噬凋亡、坏死细胞作用。

In order to assess the change of triploid populus tomentoza pulp plantation long-term-site productivity, The paper studied on effects of aboveground litterfall, fine root turnover and wet dust precipitation in nutrient cycling of triploid populus tomentoza pulp plantations at different ages,namely 2a、4a、5a、6a.It studied influence of different factors on decomposition of leaf、tree bark and twig of triploid populus tomentoza to select the operations to accelerate the decomposition and nutrient release. Finally, it studied influence of different intercrops on plantation site productivity and the relationship of intercrops and triploid populus tomentoza to select suitable intercrops. The main results as follows:(1)The aboveground litterfall of triploid populus tomentoza increased along with age from 216.03±59.7gm~(-2) at 3a to 482.38±101.3gm~(-2) at 7a, The N returned by litterfall wasl8.38±2.46kg.hm~(-2)a~-121.63±2.25kg.hm~(-2a~-139.51±4.61kg.hm~(-2a~-138.89±4.89kg.hm~(-2a~(-1) at 3a、5a、6a、7a respectively. The P returned by litterfall was 5.80±0.62kg.hm~(-2)a~(-1)、8.16±0.94kg.hm~(-2)a~(-1), 11.31±1.33kg.hm~(-2)a~(-1)、11.76±1.37kg.hm~(-2)a~(-1) at 3a、5a、6a、7a respectively. The nutrient returned by fine root turnover increased along with age, too. The N returned by fine root turnover was 3.85±0.41kghm~(-2)a~(-1)、5.22±0.63kghm~(-2)a~(-1),7.62±0.89kghm~(-2)a~(-1),9.17±1.22kghm~(-2)a~(-1) at 3a、5a、6a、7a respectively. The P returned by fine root turnover was 0.73±0.07kghm~(-2)a~(-1)、1.69±0.09kghm~(-2) a~(-1)、1.92±0.31kghm~(-2)a~(-1)、1.96±0.21kghm~(-2)a~(-1) at 3a、5a、6a、7a respectively. The leaf was the principal pathway to return nutrient to soil among litterfall, fine root turnover and wet dust precipitation. The proportion of returned N by leaf was 74.84%、71.96%、78.58%、75.03% at 3a、5a、6a、7a respectively,The proportion of returned P by leaf was 85.93%、80.31%、83.04%、83.23% at 3a、5a、6a、7a respectively. Therefore, it is important to protect and utilize the leaf in order to maintenance and enhance the long-term-site productivity of triploid populus tomentoza pulp plantation.

本文采取时序研究法，以3a、5a、6a、7a共4个不同年龄的三倍体毛白杨纸浆林为对象，研究了地上凋落物、细根周转、湿沉降在林分N、P营养元素循环中的作用及不同年龄林分N、P营养元素循环的特征，以评价三倍体毛白杨纸浆林长期立地生产力的变化；采取网袋法研究了不同因素对落叶、树皮、树枝分解的影响，以确定加快其分解、促进养分释放的措施：同时研究了不同间作物对林地影响、林木与间作物之间关系，以选择能维持立地生产力的合适的间作物种类等内容，得到以下结论：(1)随着年龄的增加，三倍体毛白杨地上凋落物的数量从3a的216.03±59.7gm~(-2)增加到7a的482.38±101.3gm~(-2)，通过凋落物归还的N分别为：3a时为18.38±2.46kg.hm~(-2)a~(-1)，5a时为21.63±2.25kg.hm~(-2)a~(-1)，6a时为39.51±4.61kg.hm~(-2)a~(-1)，7a时为38.89±4.89kg.hm~(-2)a~(-1)，归还的P分别为：3a时为5.80±0.62kg.hm~(-2)a~(-1)，5a时为8.16±0.94kg.hm~(-2)a~(-1)，6a时为11.31±1.33kg.hm~(-2)a~(-1)，7a时为11.76±1.37kg.hm~(-2)a~-1随着年龄的增加，通过细根周转归还的养分也在增加，归还的N分别为：3a时3.85±0.41kghm~(-2a~(-1)，5a时5.22±0.63kghm~(-2)a~(-1)，6a时7.62±0.89kghm~(-2)a~(-1)，7a时9.17±1.22kghm~(-2)a~-1归还的P分别为：3a时0.73±0.07kghm~(-2a~(-1)，5a时1.69±0.09kghm~(-2)a~(-1)，6a时1.92±0.31kghm~(-2)a~(-1)，7a时1.96±0.21kghm~(-2)a~-1从地上凋落物、细根周转、湿沉降三种不同途径归还林地养分所占的比例来看，地上凋落物中的落叶是归还养分主要途径，年龄在3a、5a、6a、7a时，通过落叶归还的N所占比例分别为74.84%、71.96%、78.58%和75.03%，归还的P所占比例分别为85.93%、80.31%、83.04%和83.23%。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。