查询词典 sampling

Methods Stratified random sampling method was adopted to select 4077 peasant workers from 10 enterprises to conduct questionnaire survey.

采用分层随机抽样的方法对10家企业4077名农民工的职业危害相关知识进行问卷调查。

Random sampling treatment group 201 examples, control group 200 examples.

随机抽样治疗组201例，对照组200例。

Not yet, according to a random sampling of workers in Los Angeles.

据在美国洛杉矶对一些工人的随机抽样显示，是还没有感觉到。

MethodsA random sampling of 130 type 2 DM patients was used in this study.

方法采用随机抽样法对糖尿病患者进行问卷调查，以明确影响糖尿病患者血糖控制的行为因素。

The investigation was carried out based on the standard of individual normal occlusion using random sampling.

采用随机抽样的方法，并以个别正常为标准进行本项调查。

Inspect by random sampling, the raw materials and components to be used in production.

通过随机抽样对生产的原材料、初加工产品、零部件进行检验。

Methods By simple random sampling,410 floating population were surveyed by questioned on knowledge,attitude and behavior.

方法按单纯随机抽样原则，采用问卷方式调查410名流动人口的知、信、行方面的信息。

Questionnaires are collected from 280 college students in Hunan University of Science and Technology by random sampling.

采取随机抽样法在湖南科技大学抽取280名大学生进行问卷调查。

Methods:By random sampling, 286 old patients with tumor were enrolled in this study.

目的：比较外周置入中心静脉导管和锁骨下静脉置管在老年肿瘤患者中应用的效果。

Three random sampling is the strict implementation of the computer expert panel system.

一是严格落实政府和国有投资项目的公开招标制度。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。