biology of population

Discussion on organizing stock system freight enterprise group;

关于组建股份制货运企业集团的探讨

Large-scale mining group ought to attach importance to risky geological prospecting bussiness;

国内大型矿业集团应重视风险地质勘查

System-level Fault Diagnosis Body Algorithm for Grid Structures;

一种面向网格结构的系统级故障诊断集团算法

The concept of body was firstly applied to Chaw & Hakimi model in system level fault diagnosis.

首次把系统级故障诊断中的集团概念引入Ｃｈａｗ＆Ｈａｋｉｍｉ模型中，并由此对满足Ｋ（Ｇ）≥ｔ的ｔ－可诊断系统提出ｔ－可诊断算法，对任意测试图首次通过求构造函数最小值的方法得到最优诊断算法。

This paper presents an optimed design method on decreasing node connectivity and test cost based on body theory in the systemlevel fault diagnosis.

在系统级故障诊断集团理论的基础上，提出了一种减少点连通度、降低测试成本的优化设计方法，研究了其一步可诊断的特性，并给出了一种优化设计算法。

Electronic structure characteristics of the twodimensional compound lattice finite clusters;

二维复式晶格有限集团的电子结构特性

Effects of urbanization on the winter bird foraging guilds.;

城市化对冬季鸟类取食集团的影响

Ecological niches and guilds of main insect pests and their natural enemies on apple trees;

苹果园主要害虫及其天敌生态位和集团分析

The guild structure of arboreal insectivorous birds of montane second forest was studied during May to July 1987 in Yi Lan County,Hei Lung—Jiang province.

本文依据1987年5月至7月在黑龙江省依兰县对山地次生林鸟类取食行为的观察,对此林型中树栖食虫鸟类的集团结构进行了研究。