1) closed class of group
闭群类
2) The Closed Properties of Several Classes of Groups
几个群类的闭性
4) groups
[英][gru:p] [美][grup]
类群
1.
Main Pests groups and Prevention from gardens woods in western cities, Heilongjiang Province.;
黑龙江省西部城市园林树木主要害虫类群及防治
2.
Objective To analyze the seasonal changes in groups,quantity,and distribution of sulfate-reducing bacteria(SRB)in Lake Erhai,so as to provide biologic information for the study of environmental pollutant transfer in that region.
目的分析洱海沉积物硫酸盐还原菌类群与含量和分布的变化,为研究该区域环境污染物迁移转化提供相应的生物学信息。
3.
Maize inbred line Ji853 from Huangzaosi groups was improved by Dan340, and selected excellent line cultivars Jin01 and Jin02 that with high combining ability and head smut-resistance.
利用丹340改良了黄早四类群玉米自交系吉853,育成配合力高、抗丝黑穗病的优良自交系津01和津02。
5) class group
类群
1.
With the theory of object-oriented design,jump table,dynamic memory management and code pre-processing,the class group of software simulators for single-chip microcomputers are designed.
在此四元组模型的基础上,应用面向对象设计的思想,结合跳跃表、动态空间管理、编译预处理等技术方法,构造出一个单片机软件仿真器类群。
2.
In this paper,the necessary and sufficient conditions for 4-rank and 8-rank of narrow class groups of F equal to 1 are given.
给出F的狭义类群的4秩和8秩为1的充分必要条件。
3.
In a decomposition of the 2-Sylow subgroup of the class group of a quadratic number field into cyclic subgroup summands, counting the number of summands of order at most 8, namely the 8-rank of class group, becomes significant.
在二次数域的类群2-Sylow子群的循环子群直和分解中,讨论直和分量的阶数大于等于8的个数,即类群的8-秩也是很有意义。
6) group
[英][ɡru:p] [美][grup]
类群
1.
Analysis on Groups of Streptomyces in the Soil in Hefei Area;
合肥地区土壤中链霉菌的类群分析
2.
From the UPGMA cluster analysis,the 42 taxa could be classified into four groups.
利用环境扫描电镜观察了苹果属17个原生种和25个观赏海棠品种的花粉形态特征,采用类平均法(UPGMA)进行聚类分析,探讨其花粉的主要特征及差异,研究了亲缘关系及类群。
3.
899 all of the communiti-es was clustered into three groups,then it is equal tO 0.
８９９时，聚合成３个类群，当λ为０。
补充资料：群类
【群类】
（术语）群者众生也，有情之种类数多也。法华经方便品曰：“天人群生类。”圆觉大疏上之二曰：“大士亲爱，展转流布，则群类普沾。”
（术语）群者众生也，有情之种类数多也。法华经方便品曰：“天人群生类。”圆觉大疏上之二曰：“大士亲爱，展转流布，则群类普沾。”
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条