- 更多网络例句与几乎无相关的网络例句 [注:此内容来源于网络,仅供参考]
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Though the almost unbiased estimator was still a biased estimator, it has smaller bias than corresponding biased estimator.In this paper, we first study the properties of the almost unbiased generalized ridge estimator and the almost unbiased generalized Liu estimator.
但有偏估计毕竟偏离参数的真值,因此学者们又提出了几乎无偏估计的概念,虽然几乎无偏估计仍然是有偏估计,但是它比相应的有偏估计有更小的偏度。
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And then some ellipses that AUGR estimator is better than the OLS estimator and AUGL estimator is better than the OLS estimator are given, respectively.Second, the definition of the almost unbiased unified biased estimator is proposed. This definition includes the familiar almost unbiased estimators in literatures, and it is the unified expression of the familiar almost unbiased estimators. Followed the biased and variance are compared of AUUB estimator and the unified biased estimator, respectively. AUUB estimator has smaller bias than UB estimator and the variance of AUUB estimator is between the variance of UB estimator and 4 times of the variance of UB estimator. Finally the properties of AUUB estimator are discussed. The conclusion is gained that there are parameters made AUUB estimator is better than OLS estimator in terms of their mean square error. The sufficient and necessary condition that AUUB estimator is admissible is given. The ellipse is given that AUUB estimator is
然后给出了几乎无偏统一有偏估计的定义,该定义包括了文献中常见的几乎无偏估计,实现了常见几乎无偏估计的统一表达式;接下来我们比较了几乎无偏统一有偏估计与统一有偏估计的偏度与方差,得出了几乎无偏统一有偏估计比统一有偏估计有较小的偏度,几乎无偏统一有偏估计的方差介于统一有偏估计的方差与统一有偏估计的方差的四倍之间的结论;最后我们对统一有偏估计的主要性质作了讨论,证明了存在参数K,S使得几乎无偏统一有偏估计在均方误差意义下优于最小二乘估计的结论,给出了几乎无偏统一有偏估计为可容许估计的充要条件,还给出了在均方误差阵意义下几乎无偏统一有偏估计优于最小二乘估计的椭球。
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All of these aspects need to be improved.Considering the disadvantages of the two kinds of the deicers, great amounts of the science data are referred in the research experiment, by developing the main materials and the additives, a new kind of deicer: PAL is founded. Not only does PAL remain the advantages of the traditional deicer such as cheap materials and low freezing point:-43.8 C, but it has the character of CMA, low corrosion to steel and concrete.
针对上述除冰剂的缺点,本课题收集了国内外大量的相关科技文献,通过对主体物料和添加剂两方面的改善,寻找到一种新型除冰剂PAL,它既保留了传统除冰剂的优点,原料廉价易得,低冰点,可达-43.8℃;又兼有CMA的优点,对钢铁几乎无腐蚀,对混凝土无不良影响。
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In her novel, you can't see the feudal exploitation and oppression,the kind of bloody invasion of imperialism, But she presented an "eventless tragic "to us by remembering all sorts of people and their lives in her hometown."Biography of Hulan River" is: an eventless tragic of the people; a soul tragic of the stander-by; a great tragic of the women.
在小说中,看不见封建的剥削和压迫,也看不见帝国主义那种血腥的侵略,而是通过追忆家乡的各种人物和生活画面,作者写出了一部"几乎无事的悲剧":一部几乎无事的民族悲剧,是一部看客的灵魂悲剧,是一部伟大的妇女悲剧。
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The release in vitro of insulin from Ins-NC can be described by double exponential equation.
研究表明注射用胰岛素纳米囊具良好的外观及再分散性,冷冻干燥前后平均粒径及包封率几乎无变化,初步稳定性实验表明,注射用胰岛素纳米囊在4℃及室温较稳定,含量,包封率,平均粒径等无变化,体外释药符合双指数模型。
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The establishment of the likin system was the measure that the Qing Dynasty had to be made. But it evolved as the phenomenon that the toll-gates were set up at no places and no goods wasnt levied the tax. Its harm was so deep that it was thought of as one of the disasters in modern times.
厘金制度的设立,是"不得忆"而为之的无奈之举,然而却演变成几乎无地不设卡,无物不抽厘,其危害之烈竟成为近代公认的祸患之一,这是任何人也没有想到的。
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The characteristics of skull bones are; underdevelopment of paramostoid process of the occipital bone; unjointing of zygomatic process from its arch with no supraorbital foramen; formation of semiglobal structure by petrous temporal bone;no naso -maxillary notch between nasal bone and nasal process of premaxilla; unobvious facial surface of lacrimal bones;well-developed nasal process of premaxilla; no facial crest of maxillae's exterior;...
头骨的主要特征是:枕骨的颈交不发达,眶上突不与颧弓相连,无眶上孔;颞骨岩部形成半球形鼓泡,鼻骨与颌前骨的鼻突之间不形成鼻颌切迹;泪骨几乎无颜面部;颌前骨的鼻突发达;上颌骨外面无面嵴;腭骨发达;犁骨腹缘后部不与鼻腔底壁接触;下颌骨支下缘无血管切迹、垂直部后下方有一角突。
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Amino to acetyl phenol, in have technology of two kinds of production domestic and internationally, acetic anhydride craft of the United States, acyl changes temperature to have 75 ℃ only, acyl changes mother liquor not apply mechanically, deputy reaction is little, of production thick tasting is kind of white almost, purificatory craft is very simple, activated carbon dosage only 2~3%, the Kun that its product does not have glow material almost in different third alcohol inferior the sealed impurity of amine impurity and minim, settleclear lightness it may not be a bad idea, the product quality that acetic anhydride craft produces is good, but close rate low, cost is high.
对乙酰氨基酚,在国内外有两种生产工艺,美国的醋酐工艺,酰化温度只有75℃,酰化母液不套用,副反应少,生产的粗品几乎是类白色,精制工艺就非常简单,活性炭用量仅2~3%,其产品在异丙醇中几乎无红光物质的醌亚胺杂质及微量的未知杂质,澄明度也好,醋酐工艺生产的产品质量好,但收率低、成本高。
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In her novel, you can't see the feudal exploitation and oppression,the kind of bloody invasion of imperialism, But she presented an "eventless tragic "to us by remembering all sorts of people and their lives in her hometown."Biography of Hulan River" is: an eventless tragic of the people; a soul tragic of the stander-by; a great tragic of the women.
在小说中,看不见封建的剥削和压迫,也看不见帝国主义那种血腥的侵略,而是通过追忆家乡的各种人物和生活画面,作者写出了一部&几乎无事的悲剧&:一部几乎无事的民族悲剧,是一部看客的灵魂悲剧,是一部伟大的妇女悲剧。
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In her novel, you can't see the feudal exploitation and oppression,the kind of bloody invasion of imperialism, But she presented an "eventless tragic "to us by remembering all sorts of people and their lives in her hometown."Biography of Hulan River" is: an eventless tragic of the people; a soul tragic of the stander-by; a great tragic of the women.
在小说中,看不见封建的剥削和压迫,也看不见帝国主义那种血腥的侵略,而是通过追忆家乡的各种人物和生活画面,作者写出了1部&几乎无事的悲剧&:1部几乎无事的民族悲剧,是1部看客的灵魂悲剧,是1部伟大的妇女悲剧。
- 更多网络解释与几乎无相关的网络解释 [注:此内容来源于网络,仅供参考]
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endless:无止境的
是九十年历史的商会第一位亚洲籍主席,每年的G8(八大工业国)高峰会均获邀出席乐裕民提到这对兄弟档老板的印象是,"没见过有人像他们两人一样这么努力工作,几乎是无止境的(endless)的工作"他随手举例,
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anaerobic glycolysis:无氧糖酵解
几乎不能产生任何新陈代谢能量.倘若仅仅考虑氧化新陈代谢速度的话,人们或许会假设,那些较小的,较为活跃的动物 可以捕食较大的动物,至少是如果它们成群结队发起攻击的话.或许它们能做到这一点,假若不是因为无氧糖酵解(anaerobic glycolysis) 这一举足轻重的均
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Matt Sheen:袜身无光泽,亚光处理,细腻肌肤质感效果
RHT Reinforced Heel and Toe,脚尖和脚跟都有加厚层保护. | Matt Sheen 袜身无光泽,亚光处理,细腻肌肤质感效果. | Natural Effect 自然肌肤光泽,隐形效果,穿上后几乎看不出是穿了丝袜.
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Over time:加班
其中美国Neustar公司(.Biz及.US 注册局负责公司)是CNNICc海外总代理(Gateway),因此,我家Francy下了班还常常要在家里MSN、Skype、电话甚至收Fax,忙时到凌晨1点才能完,可是这类加班(Over Time)她既无加班费、同事、领导也几乎无什么人知道,
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sans souci:无忧宫
不过,菲特烈始终没有碰过这个王后,在他登基后几乎都是把她留在柏林,自己一个人呆在无忧宫(Sans Souci),并告诫其"没有事就少来打搅". 不过,菲特烈倒也没有另外去沾花惹草,之后没有和任何女人发生过关系. 以至于他的姐姐威廉明娜每次到无忧宫,
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Steller's Sea Cow:无齿海牛
无齿海牛(Steller's sea cow)是唯一一种生活在高纬度地区、白令海的冰水中的海牛. 体长6-9米,体重6400公斤(比其它同类几乎重10倍之多). 这种海中巨兽由于长期对水中生活的适应,产生了鲸或海豹般的体型,但从其体型看,与其叫海牛,不如叫海象更贴切,
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stop short of sth/doing sth:不愿超越行动上的某种界限 这里中间插入just,可理解为几乎就
9.contention 争论 | 10.stop short of sth/doing sth 不愿超越行动上的某种界限 这里中间插入just,可理解为几乎就... | 11.go-ahead 许可 go ahead 进行,发生 注意有无连字符号词性和意思的区别
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Solenodontidae:沟齿鼩科
沟齿鼩科(Solenodontidae):第二下门齿有深沟,前足大,5趾具强爪,尾细长,几乎无毛,鼻吻特别细长,眼小,耳壳显著,本科仅1属2种. 海地沟齿鼩(Solenodon paradoxus)金毛鼹科(Chrysochloridae):体形如鼹,无耳壳,眼小隐于皮下,尖的鼻吻端部有革质鼻垫,
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little short of:几乎, 简直, 近乎
in the short run 在短时期里 | little short of 几乎, 简直, 近乎 | nothing short of 除...外; 别无...; 完全是; 简直可以说
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cashless:无现金
这项计画的影响范围几乎涵盖各种产业,并涉及基础建设市场、网路市场、设备市场、平台市场、服务/内容市场、无现金(Cashless)交易市场六个市场,将创造数百兆日圆的商机.