sampling study的例句大全

methods: in perinatal period, 129 volunteers were involved in study by random sampling at out-patient clinic, who were gravidas over 36 pregnant week and without history of parturition or induced labor or organic diseases or psychosis.

方法：围产期门诊随机抽样抽取129例自愿参加测试、无分娩史及引产史的孕妇，孕周≥36周，既往无精神病史、无重大器质性疾病史。

A study on lode gold sampling and segregation

脉金矿取样与偏析问题的探讨

The Present Status and Progress of Quality Assurance Study on Environmental Sampling and Analysis

环境样品采集和分析质量保证研究的现状与进展

Study on unequally spaced sampling parameters in rosette scanning imaging subsystem

玫瑰扫描亚成像系统中非均匀采样参数的确定

Methods Non-proportional stratified cluster sampling was used for this study. Oral examination was conducted according to diagnosis criteria for caries of WHO.

方法采用分层、不等比、多阶段整群抽样方法进行抽样，按照WHO龋病诊断标准进行口腔检查。

This paper reports a study on the effect of burning diesel oil methanol water composite emulsified fuel on reduced smoke density in an IDI diesel engine by means of a total cylinder sampling system.

介绍了柴油机燃用柴油－甲醇－水复合乳化燃料消烟作用的研究。采用全气缸取样系统研究了柴油机燃用复合乳化燃料和纯柴油时缸内微粒生成历程。

Study on Source of Error in Point Sampling

点抽样误差来源的研究

Monte Carlo weight-varing rejection sampling method for non-normalized probability density function is discussed, and applied to the simulation study of orthopositronium's 3 γ annihilation, correct results are obtained, and a suggestion for experiment is made.

此文讨论了非归一几率密度函数的蒙特卡罗变权重舍选抽样方法，并将其应用于低能电子偶素三光子湮灭的模拟研究，得到了正确可靠的结果，且对实验方案提出了建议。

Objective To study the rule of sensitivity change by improving sampling feces in Kato Katz method for diagnosing Schistosoma japonicum infection in the field.

目的探讨在改进取样方法后，改良加藤法检测日本血吸虫感染敏感度的变化规律。

The study and application of X-radiation sampling technique of muclear geophysics

核地球物理学X辐射取样技术研究和应用

Subharmonic stroboscopic sampling method for study of period-doubling bifurcation and chaotic phenomena in forced nonlinear oscillators

研究强迫非线性振子中倍周期分岔和混乱现象的分频采样方法

Study on Random Number Generator and Random Sampling in Monte Carlo Method

蒙特卡洛方法中随机数发生器和随机抽样方法的研究

We created an in io air sampling model to study airborne transmission of tuberculosis from patients coinfected with human immunodeficiency virus ( HI) and to evaluate environmental control measures.

我们创造了一个活体内空气取样模型来研究同时感染人类免疫缺陷病毒的病人中结核的气溶胶的传播及评价环境控制措施。

Based on the data obtained by stratification sampling questionnaire sheets sent to students of Huazhong Agricultural University, a study was made of the environment quality evaluation factors of this university campus.

在分层抽样问卷调查的基础上，运用方差分析、因子分析及模糊综合评判等方法对华中农业大学校园环境质量主观评价因子进行了具体分析。

Methods Conded study was by random sampling and under the guidance of specially trained medical personnel by using the Symptom Checklist 90 ( SCL-90).

方法对浙江工商大学入学1周内的大一新生，在统一培训的医务人员指导下，采用SCL-90症状自评量表进行随机采样分析。

In the present study, three pairs of synonyms are selected carefully by the systematic random sampling from 900 lexical practices for TEM-4 ( East China University of Science and Technology Press).

通过等距抽样和实验前测，作者从《英语专业四级词汇选择900题》（华东理工大学出版社）确定出三组同义词作为实验目标词。

Study on the sampling methods for Korean pine forests mixed with deciduous trees in the lesser Xiao Xingan Mountains in Heilongjiang Province Chinese Red

小兴安岭红松针阔叶混交林取样技术的研究

Study of Freight-OD Survey and Sampling Expansion Method in Large City

大城市货运调查及扩样方法研究

Methods Using the total dietary study method, the analytical samples were obtained in different areas by food consumption survey, food aggregation, food sampling and preparation.

方法采用总膳食研究方法，通过膳食调查、统计不同地区人群各种食物的消费量、按照所得的食物消费量数据烹调加工并混合成可食的各种食物类别。

study of data sampling for intelligent transportation system

智能交通系统数据抽样方法的研究