population size and distribution

基本解釋

This paper analyzes their species distribution, population size and faunal and ecological distribution characteristics.
對它們的種類分布、種群數(shù)量、區(qū)系與生態(tài)分布特點進行了分析。
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…
抽樣分布樣本效果大小的平均值可以作為總體效果大小的估計值，它與樣本容量和抽樣樣本數(shù)目有密切關(guān)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(qū)及其支流的白?豚和長江江豚的分布、數(shù)量和活動規(guī)律進行了系統(tǒng)的調(diào)查。