分层的

Aimed at increasing the accuracy and speed of BEM , meanwhile decreasing taken up memory, this dissertation has studied singular integrals and nearly singular integrals of BEM , surface BEM character and multipole BEM delaminating .

本论文以提高边界元的精度和计算速度，降低计算机内存占用为目标，研究了边界元的奇异积分和接近奇异积分计算方法、曲面边界元特性以及多极子边界元分层和存储技术，提出了高精度快速边界元法，并运用该方法初步计算了特高压绝缘子上电位和电场强度分布。

This thesis is one kind of trimming research on American sinologist Roger T.

本论文就是把他的儒学研究撷取出来，分层次地展现，以达到对美国汉学界现状的一隅之见。

Its emphasis and creativity is that the author gives and discussesa project of design controller slave station by layer structure.

本文的重点和创新之处是提出并详细论述了一种用分层递阶结构设计控制器从站软件的方案。

We believe that individuals and families on social stratification state capital and its role in the coupling system configuration.

我们认为，个人与家庭的社会分层状态取决于其角色资本与制度配置的耦合。

An important view in Sociology of Education is that education has a function of cultural reproduction and social stratification.

教育的文化复制与社会分层功能是教育社会学的一个重要观点。

This is the first study we know of that has independently validated a risk stratification system for bariatric surgery.

这个是我们知道的第一个对于肥胖手术的独立确认危险分层系统。

In chapter 4 based above two chapters, we disscuss sampling method of supplemented sample under both cluster sample and stratified sample having auxiliary information.

已有的 分层抽样和整群抽样方案都有自己的使用范围，在不适合的情况下使用效率很低。

Methods With a questionnaire, a stratified cluster sample of 7 527 students were investigated. Multivariate logistic regression analysis was performed to assess factors for suicidal ideation.

方法采用统一调查表，应用分层整群抽样的方法调查广州市8所中学和8所小学学生7 527名，通过多因素Logistic回归模型筛选自杀意念的危险因素。

Methods By using health related behaviors questionnaire for Chinese youths, a stratified sample of 5158 students from 12 junior middle schools in 4 cities in Henan Province were surveyed. The influencing factors were analyzed.

采用分层整群抽样方法，抽取河南省4个省辖市12所初中的5158名学生，应用中国疾病预防控制中心制定的"中国青少年健康相关行为调查问卷"进行调查，并对影响因素进行分析。

Objective To analyze depression, anxiety and the related psychological social factors, and to provide evidence for the prevention of mental diseases and mental health education. Methods A cluster stratified sample of 509 medical college students were questionnaired on epidemic features and the related factors of depression and anxiety.

目的 分析医学生抑郁、焦虑情绪症状及其相关的心理社会因素，学生心理疾病防治和健康教育工作提供依据方法分层整群抽取某医科大学本科生509名进行抑郁、焦虑情绪的流行特征及其相关因素调查分析。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。