查询词典 systematic sample

The recommended sample size for a systematic random sampling is 500 children.

系统随机抽样的推荐样本大小是500名儿童。

It had good reliability and validity. Using systematic random sampling techniques, we sampled normal sample group (N = 1103) from Shandong province.

本部分还对一我国城市居民主观幸福感的构成成分进行了实证的探索，探索性因素分析和验证性因素分析的结果，支持了第一部分提出的有关假定。

All subjects in the sample of 600 individuals were selected by a stratified systematic random sampling method and interviewed by trained interviewers.

本研究采横断面研究方法，以苗栗县所有65岁以上老年人作为研究母群体，采分层随机抽样的方法，共得到600位样本，其中男性302人，女性298人。

"Any new study should be carefully evaluated in a systematic fashion before its conclusions are accepted and a new therapy is applied to patients," Laine writes, noting difficulties in Jensen's study including unequal distribution of confounding variables, outliers, small sample size, endpoints, and premature discontinuation.

Laine写道：「任何一项新的研究，在结论被认可以前，在将一种新疗法应用于患者以前，应该以系统的方式被仔细评估。」。他还指出Jensen研究的难点包括：混淆变量的不平等分配，局外人的参与，样本小，终点，以及研究的提前终止。

"Any new study should be carefully evaluated in a systematic fashion before its conclusions are accepted and a new therapy is applied to patients," Laine writes, noting difficulties in Jensen's study including unequal distribution of confounding variables, outliers, small sample size, endpoints, and premature discontinuation.

Laine写道：「任何一项新的研究，在结论被认可以前，在将一种新疗法应用於患者以前，应该以系统的方式被仔细评估。」。他还指出Jensen研究的难点包括：混淆变数的不平等分配，局外人的参与，样本小，终点，以及研究的提前终止。

The systematic biological technique may be introduced in future, and clinical trial requires multi-center, large sample, and multi-level design.

今后有可能引入系统生物学的研究技术用于腧穴特异性的基础研究，临床试验需要多中心、大样本、多水平的设计以得出更有说服力的证据。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失