环境筛 meaning in Chinese
environmental seize
Examples
- At the same time , the age structure , time - specific life table , survivorship curve , fecundity schedule and leslie matrix were obtained through ana1ysing the demography and age struct ' ures of each subpopulation
对种群年龄结构研究中，编制了种群静态生命表、生殖力表，利用建立的矩阵模型预测了种群数量的动态趋势，并进行了环境筛的分析，推断了种群致危因素。