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- stratified randon sampling 分层随机抽样法
- Methods Stratified chester random sampling. 方法采用分层整群随机抽样的调查方法。
- DESIGN:A stratified randomized cluster sampling survey. 设计:分层随机整群抽样调查。
- DESIGN: Clustering stratified random sampling, cross-sectional survey. 设计:整群分层随机抽样,横断面调查。
- This would be an example of a stratified sample. 这就是一个典型抽样的例子。
- Feudal society was rigidly stratified. 封建社会等级森严。
- I spent a few days sampling the literature of social science. 我花了几天时间浏览有关社会科学的文献。
- Thickly cornified stratified squamous epithelium. 掌皮（厚的角化复层扁平上皮）。
- Stratified structures led by chieftains. 有首领的分级形式；
- Now randon text ads within a post are available for all! 欢迎大家使用帖内随机文字广告！
- It involves a subject known as isokinetic sampling. 这涉及所谓等速取样的问题。
- We also proposed a control mechanism for the width of BTP through stratified sampling method. 然后基于自回归模型生成新的草书纹理，并引入分层采样方法来控制纹理宽度；
- Methods: A large-scale survey was conducted at 250 medical health units baaed on stratified sampling. 方法使用分层抽样的方法在全国范围内抽取250家医疗机构开展大规模调查。
- The concept of sampling will be presented below. 关于采样的概念，后面将要说明。
- There are many applications for random sampling. 随机抽样有许多应用场合。
- Sampling techniques and practices II. 抽样技术及其应用2。
- Only dielectric stratified media will be treated in this section. 这一节将只讨论介质分层媒质。
- Soil sampling error in agricultural environment. 农业环境中土壤取样误差研究。
- The Sampling Handling Ultrasonic R. 机器人超声测距数据采集处理。
- Instrumentation is not a substitute for sampling. 检测不能替代取样。
