查询词典 methods of sampling

For larger populations, there are two methods of surveillance that are most applicable: systematic random sampling and cluster sampling.

对于数量较多的人群，有两种最适用的监督方法：系统随机抽样和分组抽样。

Finally, the realization methods of some algorithms are discussed, which including the choice of sampling frequence, handling of time-delay and invented hardware realization of neural networks.

本文在最后讨论了文中一些算法的实现问题，包括采样频率的选取，时延的处理，以及神经网络算法的硬件虚拟实现等。

Methods Methods random sampling of patients will be divided into two groups of 130 cases.

采用随机抽样法将患者分成两组，每组130例。

Although both of them are used to drain stormwater out of city,they have different design standards, storm sampling methods,frequency distribution,and calculation methods of runoff.

2种排水系统遵循不同行业规范，采用的暴雨选样方法、设计标准、频率分布模型、设计流量计算方法等各不相同。

We made use of the methods of stratified sampling and random sampling to investigate 269 882 broth prescriptions of Medical Department of TCM in 21 various hospitals, 18 provinces, and constructed the database, then applied Weka KDD software to analyze.

在全国不同区域，选取18个省市的21家医院，采用分层抽样和简单随机抽样相结合的方法，收集门诊中医内科内服汤剂处方269 882张，构建中药饮片用量数据库，基于Weka数据挖掘软件进行统计分析。

The data source based on the second soil survey in year of 1982 and repeated soil sampling in year of 2003, and the methods for sampling, determining and analyzing of SOC are auger hole method, K_2Cr_2O_7 oxidation method, area-weigh method respectively, and micro-pipette method is used to determine soil texture....

SOC数据来源于1982年土壤普查和2003年重复采样，土样的采集、分析和统计方法分别为土钻取土法、重铬酸钾氧化法、吸管法和面积加权法。

Methods: Cluster sampling was used in randomly selected individuals (aged ≥ 50 years) in the southern rural area of Heilongjiang. After the pre-experiment uniform standard was completed, 5058 individuals (91%) were received visual acuity test and eye examination. Two consistency tests were successively performed in the two of sampling units during the survey in order to guarantee the quality.

采用整群随机抽样方法将黑龙江省南部农村人口按一定的标准划分成抽样单位，两组人员通过预实验统一标准后对年龄≥50岁共5058人（受检率91%）进行视力和眼部检查，先后在其中的两个抽样单位进行一致性检验。

Objectives: The aim of this study was to evaluate the appropriateness of sampling methods, validity and reliability of instruments, and statistical methods used in domestic publications of health care and hospital administration.

目标：本研究摘录国内三份期刊近五年医管论文使用之抽样方法、研究工具信效度及统计分析方法，以了解其常用性、适切性。

Obiectives: The aim- of this study was to evaluate the appropriateness of sampling methods, validity and reliability or instruments, and statistical methods used in domestic publications of health care and hospital administration.

目标：本研究摘录国内三份期刊近五年医管论文使用之抽样方法、研究工具信效度及统计分析方法，以了解其常用性、适切性。

Hard coal and coke - Mechanical sampling - Part 7: Methods for determining the precision of sampling, sample preparation and testing

硬煤和焦炭机械化采样第7部分：采样精度测定方法，样品制备方法及试验方法

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。