sampling investigation的例句大全

Cluster sampling and self-administered questionnaires ( Nordic Questionnaire and Influential Factors Questionnaire) were adopted in this investigation, and 450 manufactory workers were sampled, whose work age were more than 1 year and types of work included repairman, machine tool operator and foundryman.

采用整群抽样的方法从某机械制造厂抽取工种为修理工类、机床操作工类和铸造工类，工龄在1年以上的调查对象共450人。

Methods Radom cluster sampling was used to choose 5 nursery schools, all 301 preschool children of low class were investigation object, and micronutrient measures such as serum zinc, iron, calcium and serum vitamin A were carried out.

方法随机整群抽取深圳市5家托幼机构，中、小班全体学龄前儿童301名为调查对象，进行血清锌、铁、钙、血清维生素A等微量营养素测量。

Methods Under stratified sampling, the investigation of the oral health concept and behavior were carried out using closed type questionnaire method.

方法采取分层抽样方法，分别对口腔健康观念与行为情况进行问卷调查、填写记录。

A Comprehensive Report of Overseas Sampling Techniques on Groundwater Contamination Investigation

螟害调查取样方法的比较研究国外地下水污染调查取样技术综述

Construction of multi-level monitoring well and sampling technology for groundwater contamination investigation

地下水污染调查多级监测井建造及取样技术

The experimental investigation on improving the energy resolution of the gas sampling shower counter

提高气体取样簇射计数器能量分辨率的实验研究

Study on Method of Filtering Investigation Targets in the Multi-Objective Sampling Survey

多目标抽样调查中筛选调查指标方法的研究

[ Methods] 20% MR in the hospital in recent 5 years were investigated with random sampling. The contents of investigation concerned about 7 main parts and 92 items according to the guide of MR handwriting, published by Health Department of Guangdong Province.

[方法]对某医院近5年内各科病历随机抽取20%进行抽样调查，根据《广东省病历书写规范》中7大项目及所包含的92个子项目进行常见病历缺陷统计。

Random sampling from 128 students of the medical department in Lishui University with SCL-90 are used for the investigation.

随机抽取丽水学院医学部医专生128名，用SCL-90量表进行调查分析。

methods 992 middle and old age residents in zabei and putuo district were under investigation by using the method of random sampling.

方法采用随机抽样的现况调查方法对上海市闸北区和普陀区992名中老年人进行问卷调查。

through field investigation and sampling of soil, plant sampling analysis, on two different kiwifruit orchard ecosystem carbon source/ sink carbon emissions, carbon sequestration and net carbon sink were identified and estimated and compared.

通过实地调研和样地土壤、植株取样分析测定，对两个不同猕猴桃果园生态系统的碳源/汇点的排碳量、碳汇量及净碳汇进行了确定和估算比较。