查询词典 sample method

Aimming at the small sample of strapdown inertial measurement unit successive test data, a random weighting method is used to get the prior distribution function of population's parameter with the known prior information under the situation that the parameters' format of general distribution is unknown.

针对捷联惯性测量组合历次测试数据小样本的特点，在总体分布参数形式未知的情况下，根据已有的先验信息，提出了通过随机加权法，获得捷联惯组历次测试数据总体参数的验前分布。

Bayesian method is adopted to determine the posterior distribution by using the prior information, population information and sample information.

结合当前样本信息，利用贝叶斯方法得到捷联惯组历次测试数据的验后分布。

Pd could be quantificationally separated from Sb, Zrand Ce by flotation when the concentrations of potassium bromide and tetrabutyl ammonium bromide in solution were 1.5×10^(-2) molL^(-1) and 2.0×10^(-3) molL^(-1), respectively. The method was used for the separation and determination of Pdin the sample of synthetic water with satisfactory results.

当溶液中嗅化钾和四丁基溴化铵的浓度分别为1.5×10^(-2)molL^(-1)和2.0×10^(-3)molL^(-1)时，钯被定量浮选，实现了钯与锑、锆、和铈离子的定量分离，对合成水样中的钯进行定量浮选分离测定，结果满意。

The methods used to determine COD of water sample are "potassium dichromate reflux method" and "open focused microwave digestion".

在COD的分析方面，采用的方法为"含高浓度卤离子水中化学需氧量检测方法─重铬酸钾回流法(NIEA W516.53A)"，简称高卤法，及"开放式聚焦微波消化法"，简称微波法。

Maximum entropy method is used to generate probability density functions of rock mechanics parameters from sample data.

1前言 岩石工程的可靠性分析，首先要以一定的概率模型来描述岩石力学参数所具有的不确定性。

Methods Proportional probability sampling method was used to randomly sample 1 200 pupils from 30 counties in Henan Province.

方法采用人121比例概率抽样法分阶段抽样。

The survey conducted in Taiwan was designed using a multiple-stage sampling method that utilized the principles of probabilities proportional to size, stratified sampling, and systematic sampling to strengthen the sample's effective representation.

为符合研究的需要，本次研究的抽样方法采取较复杂的多阶段抽样法，主要应用「抽取率与单位大小成比例」原则，结合分层抽样、等距抽样等抽样方法的优点，以求提高样本代表性。

With self-compiled "Questionnaire of the life stress on students in university who anticipate that mainland China students study in Taiwan." The survey uses the method of proportional allocation, and the sampling is based on the proportion of total students in 29 colleges.1000 college students were selected as sample subjects and given a questionnaire survey.

本研究系以自编《我国大学生预期陆生来台就学之生活压力调查问卷》为研究工具，研究对象按照各校总学生数进行比例配置取样，随机抽取北部地区29所一般大学日间部大学生1000人，进行问卷调查研究，其中有效样本为937人。

The samples for drift calibration and test are prepared by pressed disc method and then the smirch on surface of sample is removed with dilute hydrochloric acid. The prue gold calibration cruve setting in the instrument is served as working curve and is monitored through controlling samples and certified samples.

采用压片方法制备漂移校正样品和纯金试样，用稀盐酸去除试样表面的沾污，工作曲线采用仪器内置的纯金标准曲线，并通过内部质量控制样品和校正样品监控。

Influences of extreme climatic events on safety of wildlife populations in Ningxia province were surveyed by questionnaires and the sample quadrat method.

通过问卷调查和样地调查方法，分析极端天气气候对宁夏野生动物种群安全产生的影响。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐