查询词典 cluster sampling

The purpose of this thesis is to obtain physical information on carbon cluster growth at atomic levels, including the isomer spectrum and the mechanism of the cluster formation.

本文的主要目标在于从原子水平上获取碳团簇形成过程中的物理信息，包括团簇异构体谱以及团簇形成的动力学机制。

Meanwhile,by analyzing the calculation results of NL Method,and using Least Squares Method or Lagrange's Interpolation Polynomial Curves to simulate the relationship between horizontal force and deformation of both Steel-pile Cluster and Rubber Fender separately,the energy allocation rate of Steel-pile Cluster and Rubber Fender can be determined.

采用NL法来计算桩身内力和变形，同时，对NL法计算出的多个结果进行分析，并采用最小二乘法或Lagrange插值多项式曲线分别模拟钢簇桩和橡胶护舷承受的水平力和相应的变形之间的关系来求解钢簇桩和橡胶护舷能量分配比例。

The number of reproductive ramets and the biomass were lineally positive to cluster diameter and the number of cluster ramets.

在生物量分配上，星星草无性系对生殖生长的投入甚大，并未因为利于方式的不同来影响种群的调节。

Each cluster of alveoli is called a lobule and each cluster of lobules is called a lobe.

每一组的肺泡是所谓的小叶和每一组的小叶是所谓的叶。

Moreover, a model based on the cluster inventory management is constructed. according to the model of this technology, the paper analyses the correlative inventory cost between the single manufactural management and the cluster inventory management.

且该文建立了基于集群式库存管理的模型，根据该模型推导出了在产业集群中生产商分开管理原材料库存和库存管理公司管理原材料库存的库存相关成本，并进行了比较。

Its algorithm mainly has the transmission to shut, the dynamic direct cluster law and the maximal tree law and so on, in which tendency direct cluster law computation load are least.

其算法主要有传递闭包法、动态直接聚类法和最大树法等，其中动态直接聚类法计算量最少。

In the process of the producing amount of residents' family outgoing, by family type analysis the paper adopts the cluster analysis approach, K-cluster's method of mean value , with the aid of the statistics software,to determine and divide the family outgoing types with different similarity standards, thus realizing the practical operation of the family's types.

在运用类型分析法对居民家庭出行产生量进行预测的过程中，可以运用聚类分析法来划分出行家庭的类型，快捷地实现家庭类型划分的实际操作过程。运用聚类分析法的思想，采用K-均值聚类方法，辅助统计软件的计算手段，以不同的相似度标准来确定和划分出行家庭类型。

The star Merope is in the Pleiades star cluster and is veiled by gas from at least one cloud that the cluster is passing through.

Merope星是昴宿星团而隐藏于气体中，至少星团正通过一片云。

Two-dimensional scatter plot of principal axes analysis,systematic cluster tree and the minimal spanning tree on the basis of niche overlaps were drawn,which revealed the ecological similarity of 42 moss species.The combinative application of principal axes analysis,systematic cluster analysis and minimal spanning tree method on the basis of niche overlaps could express the ecological similarities among species intuitively.

以此为指标，分别应用主坐标排序、图论聚类及系统聚类分析方法，作出了反映42种地面藓类的种间生态关系的二维投影图、最小生成树和动态聚类图。3种方法相结合，能够对生态位重叠值矩阵进行直观地表达，并使所表达的藓类种间关系具有确切的生态学含义。

This interaction causes the dipole moment of the cluster to be dependent upon the spatial arrangement and relative permittivity of the particles and upon the cluster size.

这致使簇的感应偶极矩与簇的几何结构，大小以及颗粒的介电常数等参量有关。

Tom: You are right, he worked hard all the time.

你是对的。他一直都是努力工作。

Take shortcomings,failures,and mockings of others as commonplace and a drive to complete oneself,hold your own opinion over the evalution and disscution divested from others,afterwards sink into the state of eliminate mistakes if any or encourge oneself being not being influenced by the sayinngs of others or having no ideas to do.

把缺点、失败及别人的耻笑等看成是一种常事，当成完善自己的动力，对别人的评价和议论自己心中有主见，做到&有则改之，无则加勉&，不为人言所左右或无所适从。