random sampling

1. Although random sampling used for many surveys fails to cover large segments of the population, the procedure nonetheless offers insight into voting and consumption patterns.
   虽然许多调查所用的随机取样不能覆盖大部分人口，但是这一过程使人们能更深刻地理解选举和消费的模式。
2. The ratios this command displays are data compression estimates based on a random sampling of rows from the table.
   这个命令显示的数据压缩率是根据对表行的随机取样计算出的估计值。
3. The random sampling has been conducted by the members of social assessment group.
   社会评价小组人员进行了随机抽样调查。
4. At last, the points in image with the target point in calibration board were matched with the help of RANSAC random sampling algorithm.
   然后用RANSAC随机采样算法对标定板上的点和图像上的点进行匹配。
5. The current situation and regional differences of livestock and poultry waste in Zhejiang province were investigated and analyzed through random sampling, judgment sampling and department visiting.
   通过随机抽样调查、判断抽样调查和部门单位走访，对浙江省畜禽养殖废弃物现状和区域差异进行了调查分析。
6. Though stratified random sampling method is adopted for the arterial and collector functional systems, there is a good potential to improve it.
   尽管分层随机抽样的方法已经在干线和一般的集散系统得到利用，它仍有很大的发展空间。
7. 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。
8. Two kinds of questionnaire and single testing model were used to conduct a random sampling survey.
   由椿游路线组成两类问卷，并采用单一测试模型抽样调查。
9. Method To visit and talk with interviewees who are chosen with random sampling.
   方法进行随机抽样的入户访谈式调查。
10. The Method of Mixed two-phase Stratified Sampling in Market Research; Methods Stratified chester random sampling.
    市场调研中的混合双重分层抽样方法方法采用分层整群随机抽样的调查方法。
11. The parameter uncertainties of environmental risk analysis of LPG leakage and explosion can be treated by random sampling guesswork method in this paper.
    采用随机抽样推测法处理LPG泄漏爆炸事故风险分析中参数不确定性问题。
12. Covariance for simple random sampling
    简单随机抽样协方差
13. Detection of Faulted Transmission Line in Small Current System Based on Random Sampling and Statistics
    基于随机抽样统计的小电流接地系统故障选线方法研究
14. Methods for random sampling by utilizing dices of random number
    GB/T10111-1988利用随机数骰子进行随机抽样的方法
15. Survey is also available on the web for input from clubs that were not in the random sampling.
    调查也扩及由扶轮社于网上输入资料，这并不包括在随机抽样中。
16. It includes the lowest ten numbers, the highest number, every number that translates to a single-character Roman numeral, and a random sampling of other valid numbers.
    它包含了最小的十个数，最大数，每个罗马数字单字符对应的数，以及其他随即挑选的有效数样本。
17. In the field of initialization of clustering for large data set, random sampling is used as an important reduction operation.
    在处理大数据集聚类初始化问题时，随机子样法是一种重要的数据约简操作。
18. Methods Simple random sampling method was used to investigate the Suzhou local residents and migrant workers.
    方法采用单纯随机抽样调查的方法对苏州当地居民及外来务工人员进行调查。
19. In this paper, the author arrives at the method keying to random sampling sum distribution in normal statistics structure.
    给出了常见的统计结构中随机样本和的分布的求解方法。
20. Taking Guanzhong areas for example and using random sampling method, the composition, composition ratio as well as the factors of impact rural garbage production in the region was investigated.
    以陕西关中地区为例，运用任意抽样方法进行抽样调查，分析关中农村生活垃圾的组成和成分比例以及影响该地区生活垃圾产量的因素。
21. The manufacturing deviation of grids structures was assumed to be in normal distribution, and the normal random sampling was realized by acceptance-rejection method.
    假定网架结构制作偏差近似服从正态随机分布，利用舍选法实现了正态随机变量的抽样。
22. Methods: The self-designed questionnaires were used to anonymously investigate on179 students in19 academies of the university who were selected by stratified random sampling.
    方法：运用笔者自行编制的问卷，采取分层随机抽样的方法对山西师范大学19个专业的179名大学生进行匿名调查。
23. The authors take the students of Gansu Lianhe University as objects of study, using stratified random sampling method taking samples of1000.
    作者以甘肃联合大学学生为研究对象，采用分层随机抽样法抽取样本1000名进行调查。
24. Analysis of random sampling test for composite insulators in Hunan power grid
    湖南电网运行中合成绝缘子抽样试验分析
25. But she cautioned that so few people in the survey reported robberies that the bureau cannot be certain whether those figures represent a true increase or a random sampling variation.
    但她警告说，调查中向警察报告抢劫案的人太少了，这使得统计局无法确定这些数据是真实增加了还是只是一个随机的变量。
26. This paper focuses on the process and property of random sampling, and proposes a novel random sampling method which is based on KD-Tree samples.
    对随机取样的过程、特征及缺陷进行了分析，提出一种基于KD树子样的聚类初始化方法。
27. Proportion allocation in stratified random sampling
    按比例分层随机抽样
28. Research mainly use the way of questionnaire survey, it conducted a stratified random sampling from undergraduate students of some independent college;
    研究以问卷调查为主的方式，对某独立学院在校大学生进行了随机分层取样调查；

noun

1. the selection of a random sample