captivator是什么意思

用法例句

Objective: To estimate the population size of active drug users in Shizhong District of Leshan City, Sichuan Province, with a two-sample capture-recapture method.

目的:使用捕获再捕获法估计乐山市中区现有吸毒人群基数。

Objective:To estimate the population size of active drug users with multiplier methods in Shizhong District of Leshan City,Sichuan Province.

目的:使用乘数法估计乐山市中区籍现有吸毒人群基数。