The scientific sampling size and suitable sampling number under different densities on the two pests were consequently determined.

据此，确定了两种害虫的科学抽样方式和不同密度下的合理抽样数量。

youdao

It's not a scientific survey, since those polled are a self-selected sampling and tend to feel strongly about certain sites, both pro and con.

这并不是一个科学调查，而是基于自由选择投票并且考虑到所选网站的优缺点产生的。

youdao

CTR applies the scientific monitoring method combining random sampling and whole-process video recording to ensure impartiality of monitoring process and completeness of sampling.

CTR采用单点随机抽样、全程录像监控的科学监播方式，在保证监播实施过程公正性的同时，也确保了监播采样的完整性。

youdao

In my conversations, admittedly not a scientific sampling, the carrier is the thing people would most like to change about the iPhone.

FORBES: Ending Apple's AT&T Problem

The reason for this seemingly dotty result is that the errors from scientific sampling are easier to quantify (and minimise) than those arising from an imperfect head-count.

ECONOMIST: Statistics

While not an exact scientific measure, a sampling of U.S. doctrinal writings on IW could provide a useful frame of reference and possibly some context for comparison between Chinese and American thinking.

CENTERFORSECURITYPOLICY: What is IW?