抽取

We are impossible a ground examines, and can draw-out one part sample, to its function undertakes assessing.

我们不可能一件一件地检验，而只能抽取一部分样品，对其性能进行考核。

A subsample (199 workers, 100 college students, and 30 teachers in Beijing, Dongguan, and Baotou) was drawn from the national sample to provide 8 week interval test-retest reliability.

从普通人群样本中抽取北京、东莞、包头的199名企业职工、100名大学生、30名教师进行了间隔8周的重测，以检验重测信度。

The paper discusses the following techniques in detail: stroke extraction, selection of initial segmentation point, choice of sample point,...

本文对笔划抽取方法进行了详细介绍，另外还对拟合过程中初始分段点的确定、取样点的选取、轮廓数据的平滑处理等问题进行了探讨，取得了较好的拟合效果。

Methods The stratified random sampling rule and the standard grading system of blindness set by WHO were adopted in the study, and 11 327 subjects were enrolled (a sampling fraction of 2.01%) in the whole county.

采用分层随机抽样原则，以世界卫生组织盲目分级为标准，对全县按2.01%抽样比例抽取11327例进行盲和低视力的流行病学调查。

Then, researcher selected adequate number of classes from every region in Taipei through convenience sampling in order to maintained apposite sampling ratio of population.

研究者参酌区域的代表性，先以「分层取样」为原则，再以「立意取样」方式於各区抽取适当的班级数，并维持适当的母群抽样比率。

In this paper, efforts on extracting local features and building the global topology of 3D macromolecular scalar field are introduced.

介绍了抽取蛋白质分子三维数据场的局部特征，并组织数据场的整体拓扑的初步工作。

Samples of the questionable scallops have been taken.

已抽取怀疑有问题的带子作为样本。

This paper studied a method of extracting the text features based on the kernel and scatter difference.

研究了一种基于核的最大散度差准则的文本特征抽取方法。

The parameters (i.e., position, amplitude and velocity) of a point scatterer can be found by global searching with genetic algorithm.

在对合成距离包络法进行介绍的基础上，提出了两种基于CLEAN技术的目标抽取算法。

In tests, a single SEADOG pump has experienced modest waves from 6 inches to 6 feet and has consistently pumped a range of 15,000 to 40,000 gallons of seawater per day.

在测试过程中，单个的SEADOG泵可以承受6inches到6feet的适度的海浪，每天能够不间断的抽取15，000to40，000gallons的海水。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！