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- stratified sampling of water 分层取水样
- Ms. Cathy: about our sample of water pump? 关于我们水泵的样品?
- Methods A questionnaire survey was conducted to a clustered stratified sample of 1785 children in Qingdao. 方法采取分层整群抽样的方法对青岛市1785名儿童进行问卷调查。
- Methods A cluster stratified sample of 1681 students ham Jianghan University were investigated by SDS. 方法采用分层整群抽样法抽取江汉大学1681名本科学生,采用抑郁自评量表(SDS)进行测评。
- This would be an example of a stratified sample. 这就是一个典型抽样的例子。
- He lifted a pail of water from the ground. 他把一桶水从地上提了起来。
- A dash of water in his face will revive him. 向他脸上泼水能使他苏醒。
- The pipe burst and a spout of water shoot out. 水管破裂了,一股水喷了出来。
- A cloud is a condensation of water vapour. 云是由水蒸汽凝缩而成的。
- The flower languished from lack of water. 花因缺水而枯萎。
- The man poised a bucket of water on the head. 那个男人头上平稳地顶着一桶水。
- Method Le-gionella was tested from air-condition cooling tower water, secondary water supply, drinking water and the earth s surface water by stratified sampling. 方法采取分层抽样方法分别对冷却塔水、二次供水、管网水(出厂水)、地表自然水进行军团菌检测。
- Kindly send us two samples of each class quote for. 报价时,请对每一个等级的各寄两个样品。
- A free flow of water came from the pipe. 水从管道里通畅地流了出来。
- Rocks are worn smooth through the agency of water. 岩石由于水的作用而变得光滑。
- The tidal wave formed a terrifying wall of water. 海啸形成一堵骇人的水墙。
- Gushes of water sprayed out of the pipe. 好几股水流从管子里喷出来。
- A well devoid of water is useless. 无水的井没有用途。
- 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。