抽样

MethodsDescriptive analysis was conducted among 818 medicos, who were sampled by stratified cluster sampling, and the model was established.

采用分层整群抽样的方法，对某医科大学818名医学生心理健康状况的一般情况进行描述性分析，并拟合结构方程模型。

objective to study mental health status among medical students, and to explore the relations between the influencing factors and latent variables to mental health.methodsdescriptive analysis was conducted among 818 medicos, who were sampled by stratified cluster sampling, and the model was established.

目的 了解医学生心理健康状况，探讨医学生心理健康的影响因素及其潜变量之间的关系。方法采用分层整群抽样的方法，对某医科大学818名医学生心理健康状况的一般情况进行描述性分析，并拟合结构方程模型。

Did you have more than trivial disagreements over either sampling or coding?

你们在抽样或编码的过程中是否有所不一致？

Prior to conducting the study, a questionnaire was designed and developed based on analysis of literature and practical situation. The questionnaires were distributed to Buddhist nuns in different nunneries and monasteries to gather needed information. From the 119 returned questionnaires, only 100 were valid. They were analyzed by using SPSS for Windows.

本研究以文献分析和问卷调查法为主要的研究方法，采取非随机抽样的方法，自民国89年5月15日至89年7月31日止，以亲自拜访、委托他人、或邮寄问卷的方式，到台湾北中南著名道场、各佛教大学及佛学院所发放问卷，共寄发290份问卷，回收119份，其中无效问卷有19份，故实际的有效问卷为100份，最后以SPSS统计软件进行分析。

Methods 525 medical graduates from three medical collegeS were sampled through the cluster sam, piing and investigated by frame questionnaires on suicide attitude and employment pressure.

方法在3所医学院校，按照整群抽样的方法，以525位医学毕业生为调查对象，采用结构式问卷对其进行自杀态度及就业压力方面的调查。

The results showed that a significant positive association was observed at the sampling levels of 50 m^2, 100 m^2, and 250 m^2 quadrates, and a sampling size of 100 m^2 was more suitable than that of 50 and 250 m^2 for the inter-specific association analysis.

结果表明：20个乔木种群在抽样面积分别为50、100和250平方公尺3种取样水平上均表现为显著的正关联，但取样面积为100平方公尺，比50平方公尺和250平方公尺更为合适。

They are sampling, quantizing and encoding .

这三个步骤是抽样、量化、编码。

This paper mainly presents several methods in reducing the parasitic sidelobe level in phased arrays, and uses a method for randomizing the phase errors to improve DDS on the condition of a phase truncation.

DDS是参考时钟进行抽样、数字化，经过数字处理产生需要的频率，它的优异性能为频率合成的设计开辟了宽广的前景。

Service oriented architecture has become focus attracted attention to the information platform, the construction of enterprise's competitiveness and its information infrastructure has strongly integral characteristics and they can not divided, this research send the structural questionnaire to the financial enterprises which ranked the first 100 in 2005 Taiwan repotted by commonwealth magazine, the main purpose lies in why seek domestic financial enterprises to lead adoption will of the structure of news and cognitive degree in service oriented architecture, the way of cooperating with depth questionnaire interview and structured questionnaire to sample carries on statistical analysis and inference, it visits and dates and all takes hitting department's executive of high-order information of enterprises as the core.

服务导向资讯架构目前已成为时下相当受到瞩目的资讯平台焦点，而一间企业的竞争力与其资讯基础架构的建设具有密不可分的特性，本研究预期将对天下杂志2005年排名前100的金融企业发出300份结构化问卷，主要目的在於探寻国内金融企业对於服务导向讯架构的采用意愿与认知程度为何，并配合深度问卷访谈与结构化问卷抽样的方式进行统计分析与推论，其访谈对象皆以企业的中高阶资讯部门主管为主。

As each incoming bit is sampled, it is used to construct a new character.

当每一个输入的码元被抽样后，就用这些码元构成一个新的字符。

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。