查询词典 sampling methods

In this study, we investigate amphibian species and abundance using visual encounter, automated sound recording, and quadrat sampling methods in different habitats to understand population trends over the years.

本研究拟於2008年以目视遇测、自动录音和方格取样三种方法，对不同类型的栖地进行两栖类调查，以了解族群变动趋势。

The development of CCD imaging technique for remote sensing, especially Quincunx Sampling, promote largely image superresolution reconstruction methods.

随着遥感技术及其产业的飞速发展，遥感应用对于图像的空间分辨率的要求越来越高。

Methods:Stratified quota sampling was used to select four communities,representing different community health service models.

采用分层定额抽样方法，抽取 4个不同类型的社区，以入户调查和面对面访谈的方式共调查居民 4 17名，比较贫困居民和普通居民在卫生服务需求和利用方面的差异，并了解他们对家庭病床的认识。

Methods: This study used quota sampling, and the subjects were patients selected from 10 medical centers which volunteered to participate in the DOH project.

研究对象为10家自愿参与试办计画的医学中心，采用定额抽样方式，受试样本为申请与无申请电子病历两类病患。

Methods Through a quota sampling,a total of 1280 migrants were recruited from 7 different working places(where migrants were often employed) to be administered a face-to-face anonymous interview.

方法采用配额抽样，一对一、面对面匿名调查形式，对外来流动人口较为集中的6类工作场所里的1 280名外来人员进行流行病学调查。

Methods In this cross-sectional study, a structured questionnaire was administered to 352 nurses recruited by quota sampling of 1198 staff nurses at a medical center in central Taiwan.

结果 研究对象平均年龄为邺岁（范围20-58岁），利用描述性统计分析得知研究对象的芳香疗法知识偏低、态度趋正向，仅99位(28.1%)护理人员有使用芳香疗法的行为。

Methods Through a quota sampling, a total of 1280 migrants wore recruited from 7 different working places (where migrants were often employed) to he administered a face-to-face anonymous interview.

采用配额抽样，一对一、面对面匿名调查形式，对外来流动人口较为集中的6类工作场所里的1280名外来人员进行流行病学调查。

By construction, all of these methods require Nyquist-rate sampling of received signals to estimate a small number of DOA's in angle space, which is very expensive in some applications such as radar or radio astronomy.

通过构建，所有这些方法都要求接收信号的奈奎斯特率取样来估计角度空间的小数量的DOA，这在像雷达或射电天文学之类的某些应用中是非常昂贵的。

Methods Using random sampling method,the patients were divided into two groups and each group had 25 cases.

采用随机抽样法将患者分成两组，每组25例。

Methods:1 109 cases of elderly people were investigated by a random sampling procedure.

采用随机抽样的方法，对深圳市1 109例老年人进行了生活质量调查分析。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。