随机抽取

网络释义

1.
random selection
随机抽取(random selection)：保证总体中的每一个个体都有同等的机会入选样本，或者说，总体中每一个成员被抽中的概率相 …
www.rrky.com|基于9个网页
2.
random sampling
所谓随机抽取(random sampling)是指总体中的每一个个体都有同等的机会被抽取组成样本。从总体中随机抽取的部分个体所构 …
www.bokee.net|基于7个网页
3.
random sample
随机抽取,random... ... ) random sampling 随机抽样 ) random sample 随机抽取 ) method of the random takes out 随机抽取法 ...
www.dictall.com|基于6个网页
4.
randomizing
　　第二种方式是“随机抽取”( randomizing)，即在杀戮活动中用占卜的方式来确定特定团体中所有成员的生死状态。英国在1884年 …
www.chinalawedu.com|基于4个网页
5.
random drawing
品质名词 - 美艳子之美女论坛的日志... ... Random dice,Japanese 日本随机骰子 Random drawing 随机抽取 Random error 随机 …
zhu888418.blog.163.com|基于4个网页
6.
sql
请教下SQL server 2005锁的问题 - MS-SQL... ... ·JDBC 关闭c ·sql 随机抽取 ·linux 操作系 ...
www.hn1c.com|基于2个网页

例句

释义:
全部全部,random selectionrandom selection,random samplingrandom sampling,random samplerandom sample
类别:全部全部,口语口语,书面语书面语,标题标题,技术技术
来源:全部全部,字典字典,网络网络
难度:全部全部,简单简单,中等中等,难难
1.
The two groups are chosen at random, so the remedy should be the only systematic difference between them.
这两个组是随机抽取的，所以他们在系统中的唯一区别就在是否接受治疗。
www.ecocn.org
2.
They chose green just as often as they chose orange, performing no better than chance.
他们选择绿色的次数和选择橙色的次数差不多一样多，比随机抽取好不了多少。
article.yeeyan.org
3.
Biologists solve this problem by arbitrarily designating one found individual to be representative and archetypical of the entire species.
生物学家通过随机抽取一个个体作为整个物种的原型解决了这个问题。
dongxi.net
4.
Or is it more like a map of the world being filled in by careful study of non-randomly chosen villages, one at a time?
还是这些数据和工具更像一张世界地图，一次只填上对一个并非随机抽取的村子认真研究的结果？
web.worldbank.org
5.
First, in Shandong Province of Shandong origin of a higher education students as a random sample of 12 students was ban targets.
首先，在山东省某高校籍贯为山东的学生中随机抽取12名学生作为被试对象。
goabroad.zhishi.sohu.com
6.
The study found that women who were randomly assigned to follow a low-fat diet ate significantly less fat over the next eight years.
研究发现那些随机抽取安排服从低脂肪饮食的女性在紧跟着的八年脂肪摄入量明显减少。
article.yeeyan.org
7.
We used a structured questionnaire to collect data from a random sample of 540 households with at least one child aged5 years.
我们使用结构化调查问卷从540随机抽取的至少有一个5岁以下孩童的住户中收集数据。
www.who.int
8.
Methods: Taking 200 nurses in our hospital at random, and conducting a questionnaire survey to see their health status.
方法：在我院随机抽取200名护士，对其健康状态进行问卷调查。
www3.chkd.cnki.net
9.
Methods A visual examination was carried out in 477 students selected randomly from grade one to five in a primary school.
方法随机抽取一所小学一~五年级477名学生进行视力检查。
www.chemyq.com
10.
In most circumstances the number of observations in the analysis should match the number of 'units' that were randomized.
在大多数情况下，分析中包含的观察例数均与随机抽取的单位相匹配。
ebm.dxy.cn