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一致分布

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By the field survey which lasting a period of 3 grown seasons and by the means of remote sense and geographic information system, we ascertain the present vegetation pattern of Hunshan-Dake sand land, find out vegetation distribution principles on the different scales in the same time . From west to east, with the increasing of dry degree, the type of plant community changed form the xeric to the mesic. The vegetation of Sand land shows the characteristic of the zonal vegetation, but dont consistent with the traditional diversification principle. The vegetation of the middle part displays a high differential characteristic, which compresses the longitudinal zonation at a certain extent. So we can say that sand land vegetation is semi-zonal.

通过对浑善达克沙地历时三个生长季的地面考察并应用遥感及地理信息系统等手段,确定了浑善达克沙地植被分布现状及浑善达克沙地植被在不同尺度下的分异规律:由西向东,沙地植被随着干燥度的降低,由旱生群落为主的区段递变为以中生群落为主的区段,表现出具有一定的地带性植被特征,但与传统的地带性植被的递变规律不相一致,沙地中段的植被表现出了高度的特异性,在一定程度上压缩了植被的经向地带性,表现出沙地特有的地带性分布规律,所以认为沙地植被是一种半地带性植被。

The results shows that: as the fast ions numberα=0, ie., the ions number density reduces to the Boltzmann ion distribution, the solitary waves are all rarefactive, which are in good agreement with Ref. [81]. as the fast ions increases, the compressive waves can also exist in some special regions.

结果表明,当快离子数为零时(α=0),即离子分布退化为玻耳兹曼分布时,该系统只允许稀疏形孤波存在,这与文献[81]的结论相一致;而随着快离子数的增加(α≠0),在某些特定的区域,还会出现压缩形孤波。

Seborrheic dermatitis appears as scaly skin, most often on the scalp and areas rich in sebaceous glands.

脂溢性皮肤炎与病变分布和皮脂腺的分布及分泌旺盛一致。

Results The distribution of VEGF in placenta of normal group is similar to that of PIH group.They all are found in villous trophoblast,villous blood vessels and villous strome.

结果 VEGF在正常妊娠胎盘和妊高征胎盘中分布基本一致,分布在滋养细胞、血管及绒毛间质。

Transgressive segregation and approximate normal distribution were observed for all traits. And distribution trends of all traits in population presented resemblance between two years.

在所有考察的性状中,F_2CP及其F_(2:3)群体均呈现近似的正态分布,表现超亲分离,两年的分布趋势非常一致。

Form scale parameter we can see that probability of precipitation of rain day become bigger on the middle and lower reaches of Changjiang River, and discrepancy between upriver and the middle and lower reaches of Changjiang River also become bigger, the other areas change unapparent.

两时段中国夏季雨日降水量概率分布的形状参数在无条件和分条件下值都小于1,且地理分布形式都基本一致。

This strategy can solve the data distribution problems under the ununiform computational environme nts and the irregular data reference mode simply and effectively.

这是一种单向的数组分布方法,它以简单的方式有效解决了不一致计算环境和不规则数组扫描情况下的数组分布问题。

Keywords: Data distribution, computation distribution, ununiform computational environment, hyperplane.

这是一种单向的数组分布方法,它以简单的方式有效解决了不一致计算环境和不规则数组扫描情况下的数组分布问题。

The result indicated that the distribution of ticks in China appeared as spot or belt in map. The outcome of clustering analysis basically fitted the patterns of zoogeographic division of China, except the region of North China, Gansu, Anhwei, Henan, and Yunnan provinces.

结果表明:中国蜱类呈点状和带状分布;蜱类在中国分布的聚类分析结果与中国的动物地理区划基本一致,但华北区及甘肃、安徽、河南、云南与中国大陆动物区系差异较大。

The result pointed out that the vertical distribution of foliage for each species was different,however,generally speaking,the foliage in upper crown (0.3CL) for broad-leaved species in natural secondary forest took a small percentage,about 10%;in middle or middle lower of the crown(0.4CL to 0.8CL) the branches here took the majority percentage of whole foliage,almost 60%to 75%;but in lower crown(0.8CL),there was about 10%of whole foliage.(5)The interspecies competition of trees in secondary forest was expressed by Hegyi competitioin index,and the active competitor was calculated by the competition zone radius and the tree position,DBH,and distance in the zone,it was not all competitors in tranditional calculation.The study introduced crown area overlap index to describe the crown competition between subject tree and its competitors,furthermore,the crown area was classified into 5 levels with a method of equal crown projection area,therefor,the resulting crown area overlap index showed more realities of existing stand conditons.(6)Based on the theoretics of multiply divide,the spatial strcture optimizing model of secondary forest stand selective thinning was developed by diversity mingling,aggregation index,competition index and crown area overlap index,also designed 10 constraint conditions which were related to forestry meanings,the objective function was solved by the implicit enumeration method with LINGO 9.0,using 0-1 integer programming.

并且得出,每个树种在树冠内相对高度上的叶量的垂直分布是不同的,天然次生林阔叶树种的叶量在树冠的上部(0.3CL以下)所占比例很小,约占10%左右;在树冠的中部以及中下部(0.4CL~0.8CL),叶量所占比例最大,几乎集中了整个树冠60%~75%的叶量;而在树冠的下部(0.8CL以下),几乎占很少的叶量,大约10%左右。5、采用Hegyi竞争指数来表现次生林内林木的竞争关系,并且根据竞争圈的大小和林木在竞争圈内的分布位置、大小与距离来计算有效的竞争木,并不是传统意义上的全部竞争木;本研究提出用树冠叠加指数来表示林木与周围树木的树冠竞争情况,并采用等树冠投影面积法把树冠分为5级,这样计算的树冠叠加指数更加与现实林分相符。6、本研究基于乘除法的思想,用多样性混交度、聚集指数、竞争指数和树冠叠加指数构建了天然次生林择伐空间优化模型,设计了10个与林学意义相一致的约束条件,并采用0-1整数规划的思路,在LINGO9.0软件中使用了隐枚举法对目标函数求得最优解。7、以M702标准地为应用实例,具体计算出了每株采伐木,经过择伐后,目标函数值按模型设计的要求发生了极大的改变,增加了5倍多,说明了最后这个解的优良性,满足了设计的要求。

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On closer examination, though, this is not a vote for multilateralism but just the opposite.

仔细审视后我们发现,这并非是对多边主义投出的赞成票,而是恰好相反。

Uncovering their weak spots, so I can defeat them.

揭露出他们的弱点,这样我就可以打败他们了。

Methyl bromides, in C_(3v) symmetry, have been extensively studied at their first absorption A-band because the behavior of these molecules can be used as a prototype for depicting numerous types of photodissociations in a variety of polyatomic molecules.

例如,有很多研究报道了C_(3v)对称的溴甲烷等分子在第一吸收带的光解,这是因为其光解行为可以作为理解其它多原子分光解的原型。