抽样

The results show that the positive traits and affectivity definitely affect the workplace well-being through resilience and job self-efficacy.

本研究采用实证研究之问卷调查法，以实务资讯人员为抽样对象，发出问卷共479份，有效回收140份。

A study cased in Zhejiang Province, China, showed the fact that the three-phase sampling could produce the highest AFI area estimation precision.

用浙江省实际数据计算的结果表明：三相抽样精度明显比其他估计方法高。

Methods A total of 852 children aged from 9 to 10 years were recruited with multi-stage sampling.

方法采用多阶段随机整群抽样法抽取852名北京市城区9～10岁学生。

The Swithched-Current circuit is a new technique for analog sampled data processing.

开关电流技术是一种新的模拟抽样数据处理技术。

It is generally difficult to get analytical solutions of the stochastic differential equation's water quality model. What is more, as to the issue like the initial boundary result of a convection-dispersion equation, it is even more difficult to change the random factors into the uncertainty.

NSFEM法是把Neumann展开式引入以解决矩阵求逆的效率问题，如果对每一次随机抽样，只需形成刚度矩阵，进行前代、回代以及矩阵乘和矩阵加减，而无需矩阵分解，则可大大减少工作量。

Receiving inspection andor testing such as sampling based on performance

接收诸如基于性能的抽样检验和或试验

METHODS: 5 184 people of non-manual workers and manual workers in city as well as farmers at different sex, aged from 20-59 years, were selected in Shijiazhuang, Cangzhou and Chengde with random sampling of stratified cluster in July 2000. They were assigned into 20-39 year group and 40-59 years group according to age to perform investigation of their physical work, which composed of strength of grasp, anteflexion of body when sitting, standing with single foot when closing eyes, back pressure, vertical jump, 10 m×4 return run, push-up, sit-up and choice of reaction time, etc. RESULTS: 4 800 people were involved in the result analysis.

于2000-07用分层整群的随机抽样方法抽取石家庄、沧州、承德3个城市不同性别的城市非体力劳动者、城市体力劳动者、农民3类职业人群的20～59岁公民5184名，按年龄分为20～39岁组和40～59岁组两组，对其进行体能测查，测查内容包括握力、坐位体前屈、闭眼单脚站立、背力、纵跳、10m×4往返跑、俯卧撑、仰卧起坐、选择反应时等。

This paper proposes Latin hypercube sampling combined with variance reduction techniques of conditional expectation and antithetic variates to assess ultimate strength reliability of ship hull girder.

本文将拉丁超立方抽样法与条件期望和对偶变数方差减缩技术组合用于分析船体总纵极限强度可靠性。

Methods Whole group sampling method was adopted, 840 aged 30~70 years residents were investigated in Tongliao, including investigations of questionnaire research, measure stature, avoirdupois, blood pressure, pulse etc.

采用整群随机抽样的方法，抽取年龄在30~70岁居民840人进行调查，包括问卷调查、测身高、体重、血压、脉搏等，对其结果进行流行病学分析。

The present balanced two-layer sample rotation system is applicable only to the monthly survey with two-stage sample designs and with small primary sampling units.

目前的平衡两层次样本轮换模式只适用于一级单元规模较小时的两阶段抽样月度调查。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。