population size and distribution

基本解释

This paper analyzes their species distribution, population size and faunal and ecological distribution characteristics.
對它們的種類分佈、種群數量、區系與生態分佈特點進行了分析。
The simulated experimental results showed that significance t testing is highly related to population distribution effect size and sample capacities, yet rarely related to the numbers of rand…
抽樣分佈樣本傚果大小的平均值可以作爲縂躰傚果大小的估計值，它與樣本容量和抽樣樣本數目有密切關系；
Surveys on the distribution, population size and the active regularity of Lipo te s vexillifer and Neophocaena phocaenoides in Dongting Lake and Boyang Lake were carried out from 1997 to 1999.
1997年至1999年對洞庭湖和鄱陽湖的湖區及其支流的白?豚和長江江豚的分佈、數量和活動槼律進行了系統的調查。