Chapter 3 lists out research methods used and concept of design, including selection of samples, source of data, definition of variables and descriptive statistics.

第三章介绍本文的研究方法与设计，包括样本选取、数据来源、变量定义和描述性统计。

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The siting of facilities used in conformity assessment procedures and the selection of samples are not such as to cause unnecessary inconvenience to applicants or their agents;

合格评定程序所用设备的设置地点及样品的提取不致给申请人或其代理人造成不必要的不便；

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In the paper, what is the typical sample of KNN is analyzed, and a method of samples selection based density is presented.

论文针对KNN这种常用的文本分类方法，分析了什么是它的典型样本，提出了一种基于密度的样本选择算法。

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It is loaded with a selection of pre-recorded samples.

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