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Tricholoma may be a paraphyletic genus two. The collections identified as T. caligatum is a mixture. Some parts of them from France are members of T. matsutake, the other parts from North America are closed to T. bakamatsutake and T. fulvocastaneum. Tricholoma robustum and T. focale form a clade which is obviously a sister group of the stirp Subannulate. The stirp Caligata was defined as a group mainly on the basis of the predominant veil. But from the result of molecular systematic analysis, the presence of veil is not a stable character in the matsutake group. Species having symbiosis with conifers and broad leaf tree are all transformed from those whose host specificity is not strict. The phylogenetic tree based on ITS sequences resembled the tree of NJ algorithm based on cladistic coding. In the phylogenetic tree based on morphylogical characters, T. zangii and T. bakamatsutake form a clade, but it is the result of convergent evolution as suggested by molecular analyses. The distribution area of the matsutake group can be divided into six regions: middle and northern Europe region, Mediterranean region, Hengduan Mount.— Southeastern Tibet region, Northeastern China—Japan—Far-east Russia region, the Atlantic—North America region and the Rocky Mountain region. The abundance center of the matsutake group are Hengduan Mount.—Southeastern Tibet region and the Rocky Mountain region. Hengduan Mount.

松口蘑群的分子系统学研究得出的结果有：由于粗壮口蘑和羽衣口蘑明显和亚环族(Tricholoma，section subannulate)的种类是来自同一个谱系，和其它松口蘑群的种不具有最近共同祖先，因此松口蘑群是一个多系群；松口蘑群和口蘑属其他种类的亲缘关系比和蜜环菌属更接近；梭柄松苞菇和松口蘑群的差距明显小于油黄口蘑(T.flavovirens)和棕灰口蘑；口蘑属是一个多系群；鉴定为欧洲口蘑的标本明显不是一个单系群，其中一部分是松口蘑，另一部分和黄褐口蘑及傻松口蘑(T.bakamatsutake)比较接近；划分松口蘑群的标准是菌环的存在，但从分子系统学的结果来看，菌环的存在与否并非是一个很稳定的性状；和针叶树专性共生及和阔叶树专性共生均由寄主专化性不强的种类转化而来；在形态学系统发育树上青冈口蘑和傻松口蘑被聚为一个分枝，分子系统学的研究结果表明，这是趋同进化的结果；用支序方法编码作出的NJ树的结果更接近ITS序列的结果。

Especially,the subbranch of enterobacteriaceace made again four small branches as genus taxon.This tree also shows that bacilliform bacterium is distinct from each other in the NJ and MP trees.After all species on the tree are merged,the topological configuration of the unrooted tree of 16S gene is closed to that of the host range unrooted tree.However,the position of bacillus is greatly changed on both the unrooted trees.

将16S DNA的NJ树隐去所有的种，以属为单位所得到的以分枝形式的无根树在拓扑结构上与菌群分布含量所构建的无根树相近，但芽孢杆菌在两种无根树的位置中有较大的差异。

Apart from being an appreciated timber tree, the Tulip tree is also planted as a shade tree and ornamental tree.

除了作为一个欣赏木材树，也是树种植郁金香作为遮荫树和观赏树。

The comparison with its mother Chinese tulip tree and father American tulip tree have been made The results show:(1)The air-dried density is 0.544g/cm3, the radial, tangential and volumetric shrinkage are respectively 5.06%、9.61% and 14.91%.(2)The longitudinal compress strength, MOR and MOE are respectively 42.1Mpa, 84.5MPa and 7.4GPa. Every value of physical and mechanical properties is between the Chinese tulip tree and the American tree.

结果表明：杂种鹅掌楸的气干密度为0.544g/cm3，径向、弦向和体积全干缩率分别为5.06%、9.61%和14.91%；主要强度指标顺纹抗压强度、抗弯强度及抗弯弹性模量分别为42.1Mpa、84.5MPa 和7.4GPa；各项物理力学性质均介于中国鹅掌楸和北美鹅掌楸之间。

Slightly shy of her face firmly affixed to my face, twisting the body, small lips folder powerful force my stem, the smiles said tenderly:"The teacher's cunt calls small show you the name the Great tung oil tree tung oil tree, let's now called dry tung oil tree tung oil tree parade big cunt small show."

她略带羞涩地把脸紧紧贴在我的脸上，扭动着身体，小唇有力的夹迫着我的茎，娇笑着说："老师的这个叫小骚屄，你的这个叫大桐桐，咱们现在干的叫大桐桐操小骚屄。"

Ah… ah… ah………… small show tung oil tree tung oil tree cunt big parade too comfortable…… tung oil tree tung oil tree parade was really great……… ah……", I feel at this time Department came from the spinal hemp itches coccyx, an unknown force, as strange happenings quite involuntarily sent to a lower body upward, his mouth also groaned aloud:"ah………… gymnastics teacher a teacher of a small show cunt too beautiful………… ah, I really am sorry, teacher,"" No, do not say this can be.

啊……啊……啊……小骚屄让大桐桐操得太舒适了……大桐桐操得真………啊……"，我这时也感到从脊柱尾骨处传来一阵麻痒，一种不知名的力量，神差鬼使般不由自主地向上挺送着下体，嘴里也大声呻吟着："啊……老师……操老师的小骚屄太美了……啊……，我真对不起，老师"，"不，可千万不要这样说。

The avenue planting of nine cities in Zhejiang has the following characters: 1. Avenue planting tree species are plenty; 2. Avenue planting benefits among the cities are not uniform and tree species used are various; 3. Tree species used for avenue planting are simple and landscape effects unideal; 4. Cultivated manner and stratal structure are simple, ecological benefits no good; 5. The tree species ratio, of evergreen with deciduous, of fast-growing with slow-growing, is out of proportion, and short-term...

通过对浙江省具代表性的9个主要城市行道绿化状况的调查分析，结果表明浙江省城市行道绿化具以下几个特点：①行道树种资源丰富；②城市之间绿化效果差异悬殊，所采用的绿化树种各有侧重；③绿化树种单一，色彩单调，景观效果差；④栽植配置方式单一，层次结构简单，生态效益差；⑤常绿树种与落叶树种、速生树种与慢生树种比例失调，近期效益考虑多，远期效益考虑少。

Main points of this paper are as follows:(1) to explain emphatically and to prove the Jukes-Cantor Model, Kimura Model and the relationships of them;(2) to construct and to prove, using EM algorithm, the theorems of estimating best branches of DNA sequences having censored data for Jukes-Cantor Model under the conditions of rooted tree and unrooted tree respectively;(3) to construct and to prove, using EM algorithm, another three theorems of estimating best parameters of DNA sequences having censored data for Kimura Model under the conditions of rooted tree and unrooted tree.

本论文的重点在于解释和证明Jukes-Cantor模型、Kimura模型及两模型之间的关系；运用EM算法构造并证明Jukes-Cantor模型下含缺损数据的DNA序列构建有根树的最佳分枝长度估计定理；运用EM算法构造并证明Kimura模型下含缺损数据的DNA序列构建有根树的最佳参数估计定理。

Trees growing close to their thermal limit of distribution, such as at high-latitude or high-altitude upper tree-line, react to variations in temperature through its influence on cambial activity. Tree growth was mainly influenced by temperature at the upper tree-line, so there was more temperature information in tree-ring width chronology in middle Qilianshan Mountains.

祁连山中部地区森林上限的树木生长主要受温度变化的影响，年轮宽指数序列中主要包含温度变化信息，对树轮生长影响最大的气候因子为前一年12月～当年4月平均温度。

Cacao tree is a kind of small arbor tree and it has the following outstanding features. First, cauliflory: its flowers burst open on the tree trunks directly and then the flowers will produce fruits on the tree trunks too. The cacao flowers are small, but the fruits are big. The fruits are elliptical and have many ridged lines on the outer skins. The color of the fruits is yellow, and each fruit can grow as heavy as one kilogram. Each cacao plant can grow 60 to 70 fruits, and there are about 30 to 50 seeds in each fruit.

可可是一种有趣的梧桐科小乔木，它最大的特点是&老茎生花&和&老茎结果&，花直接开在树干上，果也直接结在树干上，花小而果实大，果子呈椭圆型，表面有一条条棱形线突出，橙黄色，每个果子重达1千克左右，每株可可树可结60-70个果子，一个果子内有30-50粒种子，巧克力的原材料就是这些种子。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。