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

Republicans blocked the use of scientific sampling in the 2000 census, and the president managed to make some Democrats angry, too, by his willingness to trade away some census language in an attempt to win approval for fast-track authority.

CNN: By Craig Staats/AllPolitics