抽样

METHODS: We measured eyesight, interpupillary distance, exophthalmos and diopter of the girl students aged 18 or 19 in our school by cluster sampling.

采取整群抽样的方法，对本校18～19岁女性学生进行视力、瞳距、眼球突出度与屈光状态检查。

This study conducts as 2 (banner and pop-up formats)2 (sales and non-sales promotional messages) experimental design with structural designed questionnaire. Throughout the convenience sampling procedure during July to September in 2009, collects 287 effective respondents' questioning result as data analysis basis in order to understand the consumers' intrusiveness effect while facing the online advertising embedded on an online tourism front-page.

本研究即透过2 (型态：横幅及弹跳视窗广告)2 (促销讯息：价格促销及非价格促销讯息)之实验设计及结构式问卷，於2009年7月至9月间，以便利抽样方式以了解台湾消费者在旅游网站首页中对网路广告之型态与促销讯息所形成之打扰效果情形，共计回收287份有效问卷做为资料分析之用。

In this paper, the sampling theorem is studied in the shift invariant subspace in higher dimension.

本文研究了高维平移不变子空间中的抽样定理。

We develop the optimal JAPE grammar rules for IBM and HP web pages that describe IT product specification and download 36 IT product web pages to test the extraction performance. The testing result show the average recall and precision are over 90%. It reveals the JAPE grammar rules have good extraction performance when optimized for specific knowledge domain.

我们针对HP和IBM的网页撰写适当的JAPE语法规则，再从这两家公司的个人电脑(包含Desktop和Notebook)，Unix伺服器，显示器及印表机等四大产品线，抽样36个网页进行产品规格的资讯撷取，其平均召回率和正确率都超过90%以上，由此可以验证JAPE语法规则针对特定领域的资讯撷取有相当不错的效能表现。

Then we discuss the choice of optimal path in path sampling ,which turns out to have close connection with the Jeffreys prior density and the Rao and Hellinger distances between two densities.

接着讨论了路径抽样中最优路径的选择问题，它与Jeffreys先验密度及两密度间的Rao和Hellinger距离有密切关系。

Bayesian Analysis ; MCMC Simulation ; Jeffreys's Prior ; ARMS Sampling ; Robust Parameter Design ; Non-normal Response

贝叶斯分析； MCMC模拟； Jeffreys先验； ARMS抽样；稳健参数设计；非正态响应

Methods 321 patients with KOA were selected randomly and treated 3 to 36 months with needle-warming moxibustion.

采用随机抽样的方法，对明确诊断的KOA患者经温针灸治疗后3～36个月，采用问卷调查的形式，进行中远期疗效评估。

In this paper the distribution functions of pillar stress are given by kolmogorov goodness of fit test according to the data of the measured stress of pillars.The results show that the distribution functions of pillar stress are normal distribution N(μ,σ 2), and they are in accord with the conclusion drawn by Anderson and Darling goodness of fit test.

本文采用矿柱应力解除试验所测得的矿柱应力值，作为矿柱应力的抽样试验，利用柯尔莫哥洛夫检验法对其进行分布函数的拟合检验，并采用安德森与达林检验法进行了验证，获得了满意的结果。

Based on grid pattern sampling, by the analysis of lacunarity indices in Huairou and Mentougou District, it is found that: In different scales, the higher lacunarity indices are, the greater heterogeneity of spatial distribution for forest landscape elements is. This performance can be considered as macroheterogeneity characteristics. Oppositely, the lower lacunarity indices values are, the smaller heterogeneity of spatial distribution for forest landscape elements are.

4通过对怀柔和门头沟试验区进行网格局抽样及孔隙度指数分析发现：在不同尺度下，孔隙度指数值越高，森林景观组分空间分布的不均匀程度越高，表现为宏观异质性特征；孔隙度指数值越低，其景观组分在其研究范围内空间分布均匀，表现为微观异质性特征。

The simulation results show that probability weighted least squares estimator and Quasi-Aitken weighted least squares estimator are unbiased estimators of regression coefficients.

研究方法系采用Monte Carlo模拟方式模拟比较最小平方法、分层加权最小平方法、机率加权最小平方法及Quasi-Aitken机率加权最小平方法在分层不等机率抽样下的表现。

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。