查询词典 density of distribution

Experimental results show that this improved scheme can preserve topological relationship very well, but the distribution density of the input data can not be reflected quite well.

实验结果表明，这种改进方案可以很好地保持拓扑关系，但输入数据的分布密度却不能得到较好的体现。

Changes in the trends for a given phytoplankton population—such as its density, areal distribution, and rate of population growth or diminishment—will alert Earth scientists that environmental conditions are changing there.

地球科学家通过观察某一特定种群在密度、空间分布及种群数量增减方面等等的变化趋势，就能够判断当地的环境条件正在发生着改变。

In this paper, It is analyzed that the variation of the density of a molecular system cause influence for the Maxwell distribution law.

本文对分子系统的由分子密度引起的速度分布的变化对麦克斯韦速度分布律的影响进行了分析。

During 1994～1996,we found that Scarabaeidae,Carabidae and Elateridae are the dominant groups of soil Coleopteran.They showed the obviously seasonal dynamic in density ,vertical distribution and diversity that have different responses to the changes of season. According to their roles in grassland ecosystem, their main functions in the system can be performed by their larvae, and the most powerful influence in the system should be in spring and autumn.

大针茅草原中土壤鞘翅目昆虫的组成以金龟总科、步甲科为主。2）土壤鞘翅目昆虫密度具有明显的季节动态，即春季和秋季密度较高，夏季密度较低。3）土壤鞘翅目昆虫中不同类群对季节的变化有明显不同的响应。4）随季节变化土壤鞘翅目昆虫在土壤中的垂直分布及水平分布有显著变化。

The results indicate that the migration of heavy metal ions in soil is mainly dominated by the water flux density and distribution coefficients of the metal ions sorption to soil.

结果表明，金属离子在土壤中的迁移主要受水的通量密度和吸附分配系数的影响，并随时间的增加而增加。

Based on the limited mathematical expectation, the density function, distribution function and other mathematical tools, the impact of the use of different types of deductible and compensation limit on the pure premiums is analysed.

在有限数学期望、密度函数、分布函数等数学工具的基础上，分析了不同类型的免赔额与赔偿限额的同时使用，对纯保费的影响。

Above all,there are some obvious differences among species in distributive density of oil cells, in distribution places of oil cells and mucilage cells and in their sizes. Those structural characteristics are significant for the classification of Lauraceae.

因此，叶片内油细胞的分布密度、油细胞和粘液细胞的分布位置及其大小在种与种之间存在明显的差异，此种结构特征具有分类学上的意义。

It is the objective of this study to use quantitative immunohistochemical techniques to determine increased expression by density and distribution measurements of GAP-43, as an indicator of neurite sprouting.

本研究的目的是通过免疫组化定量技术探讨轴突出芽标志物GAP-43的表达密度和分布变化。加威理由：新人第一帖！

The bone mineral density of mandible was measured at 1 day, 1, 2, 4 and 6 weeks after operation. The expression and distribution of Smad7 were observed by immunohistochemistry.

各组分别于牵张成骨后1 d，1，2，4，6周取材，在牵张成骨侧下颌骨行骨密度测量，用免疫组织化学法观察兔下颌骨牵张过程中不同时期Smad7的表达和分布。

Therefore, firstly, the techniques to determine the gapstate density and distribution of a-Si: H films: the photoconductivity spectrum technique and the phase-shift analysis of modulated photocurrent technique, have been described.

由于a-Si：H薄膜的光电性能在很大程度上取决于带隙定域态的密度及分布，所以本论文首先详细描述了a-Si：H薄膜的隙态密度及分布的测量技术—光电导谱技术和调制光电流相移分析技术。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。