查询词典 cluster sampling

The dendrogram shoe that the 55 materials were divided into five class at the line L_1,the agnate No.4 was a class and matriline longwangmao was a class,the other three agnate and hybrids were regular cluster,only agnate No.1 and P6-N-4、P6-N-7、P6-N-8 etc.14 hybrids were cluster,show partial male type.

另由树状图得知在L_1处可将55份供试材料分成5大类，除父本4号与母本龙王帽各自成一类外，其余3个父本与杂交苗有规律的聚类在一起，但只有父本1号与P6-N-4、P6-N-7、P6-N-8等14个杂交苗聚类到了一起，表现出偏父型。

The paper supposed that cluster governance has multi- ple governance forms including network governance,market governance and hier- archy governance.Moreover there is"Double Network"consisting of economic network and social network in the organization of industrial cluster,which induce the"Mutual Embeddedness".

本文在阐释了网络治理内涵的基础上，提出集群治理具有以网络治理为主，市场治理、层级治理为辅的多元治理模式；产业集群组织内部存在经济网络和社会网络，该"双网络"引致"互嵌"机制。

The formation situation of the band for transition metallic carbonyl cluster compounds is analysed with the bond valence formula for atomic cluster compounds.

本文运用原子簇化合物键价计算公式，对过渡金属羰基簇合物成键情况进行了分析，利用金属键轨道数，价非键轨道数和金属配体成键轨道数计算簇合物价轨道总数。

Further, in the cluster set-up phase it uses a novel method for balancing the load of cluster heads.

进一步，在聚类建立阶段它创新地使用了一种聚类首领负载均衡的方法。

By simultaneous multipoint observations of Cluster, using methods of linear interpolation and barycentric coordinates, we have determined shear rate of flow near magnetopause, an observational spatial parameter that can not be obtained until Cluster.

本文利用Cluster多卫星同时观测数据及独特的时空分辨功能，采用线性插值和重心坐标的方法确定了磁层顶附近流场的剪切度。

In this article made the cluster of phonological type by 4 of main phenophase with bourgeon period, leaf expansion period, flowering period and fruit ripenes period of observed data on phonology of 42 kind of plant 34 year in Minqin desert area, further the 23 of phenology classification merged by phonological type. The 23 of phenology classification basically obeys the ecotype characteristic of the plants, and the more scientific than the type of system cluster by plants sample. Moreover, the form of phonological type record by "ten day period + phonology" in the article.

以民勤荒漠区42种植物34年的物候观测资料，以萌动期、展叶期、开花期和果熟期4个主要物候期进行物候型聚类，进而将物候型归并为23个物候类型，聚合的物候类型基本上遵从植物的生态型特征，较系统聚类法直接用样本聚合的类型更加科学合理。

According to the dendrogram by UPGMA cluster analysis using Neis(1972) distance calculations based on AFLP banding, all the accessions were distinct and revealed enough genetic diversity for identification and classification of accessions within Cajanus cajan. From ME cluster analysis, 9 distinct evolutionary groups were detected. The preliminary results indicated that China maybe one of the pigeonpea genetic diversity minor center.

根据AFLP多态性数据绘制的聚类图，将139份木豆资源分为9个类群，并在分子水平上初步探讨了它们之间可能存在的演化关系，支持了木豆起源于印度，并在非洲东部形成次生起源中心的观点，并提出中国可能是栽培木豆的又一次生起源中心。

According to a recent Human Rights Watch report, the Army holds 88% of the Pentagon's CBU inventory — at least 638.3 million of the cluster bomblets that are stored inside each cluster munition; the Air Force and Navy, according to Department of Defense figures, have 22.2 million and 14.7 million of the bomblets, respectively.

根据最近一个人权观察组织的报告，军队举行， 88 ％的五角大楼的CBU国际存货-至少6 。383亿的集束炸弹是储存内每个集束弹药；空军和海军，根据国防部门的数字， 22200000和14700000的炸弹，分别。

The extension direction of cluster galaxies is consistent with the position angle of the central cD galaxy, which observationally supports the hierachical model of cluster formtion.

团星系的空间延展方向和中心 cD 星系的方位角一致，在观测上支持了等级成团理论。

Cluster supply chain is the coupling organizing form between industrial cluster and supply chain.

集群式供应链是产业集群和供应链之间的藕合组织形式。

Use nationalization degree and the relationship that commercialize degree, condition of calculable market economy plays scope of optimal and state-owned economy.

利用国有化程度与市场化程度的关系，可计算市场经济条件下最佳国有经济规模。

The kinds of extractant also effected desulfurization rate .

萃取剂对脱硫率的影响也很大，乙二胺的萃取效果优于甲醇的。