1.
500 freshmen were collected by random sampling.
整群随机抽取500名入学新生,采用症状自评量表(scl-90)进行研究。
2.
Methods 108 senior high school students at Dingzhou of Hebei were taken out randomly and investigated with anxious interview.
方法随机抽取河北省定州中学108名高中学生进行焦虑访谈调查。
3.
Study of Automatically Generating Test Paper Based on Knowledge Point and Improved Random Algorithm
基于知识点和改进随机抽取算法的智能组卷方案研究
4.
UB researchers conducted the study in a random sample of 1,555 white and African-American residents of Western New York.
布法罗大学的研究人员随机抽取了1555名生活在纽约西部的白人和黑人，进行了研究。
5.
(statistics) law stating that a large number of items taken at random from a population will (on the average) have the population statistics.
（统计）从总体中随机抽取大量样本在平均情况下都能呈现总体的统计数。
6.
The data for News English in this paper is taken from the news reports of a representative English newspaper, the Washington Post .
本文的新闻英语语料随机抽取自具有代表性的英语报纸《华盛顿邮报》中的新闻报道
7.
M ethods: Randomized sampling method was adopted, and reproductive age women of Fl oating Population in 6 regions in Wuhan were investigated in questionnaires of u nity structure.
方法：随机抽取武汉市6个城区流动人口育龄妇女，用统一结构式问卷进行调查。
8.
taken or to be taken at random.
随机的抽取或被随机抽
9.
random sampling
随机抽样,随机采样
10.
We did the random sampling of five pieces per batch of 100.
我们在每批一百件的货品中取五件随机抽样。
11.
Hierarchical Information Extraction from Research Papers Based on Conditional Random Fields
基于条件随机场的科研论文信息分层抽取研究
12.
single random sampling
单次随机抽样 单次随机抽样
13.
simple random sampling
简单随机抽样 简单随机抽样
14.
A Text Extraction Method for Image with Complex Background Based on Conditional Random Field
一种基于条件随机场的复杂背景图像文本抽取方法
15.
lift [suction] pump
吸取泵，吸取抽机，提水泵
16.
covariance for simple random sampling
简单随机抽样协方差
17.
Proportion allocation in stratified random sampling
按比例分层随机抽样
18.
precision of simple random sampling
简单随机抽样精密度