抽取

A random sample of men and women, aged 55 to 64 years, was drawn from general practitioners' rosters.

从全科医生的花名册中随机抽取男女样本，55－64岁。

Questionnaires are collected from 280 college students in Hunan University of Science and Technology by random sampling.

采取随机抽样法在湖南科技大学抽取280名大学生进行问卷调查。

Using simple random and system sampling methods, we investigated 1205 disabled persons in Beijing.

本研究采取简单随机、等距抽样等方法在北京市抽取了1205名残疾人进行调查。

METHODS: The statistical significance of the distance between the anterior edge of vertebral body and the anterior major blood vessels at the level of pediculus arcus vertebrae by CT scan at random were measured and analyzed.

随机抽取2003-06/2008-06来哈尔滨医科大学第一临床学院就诊行腰椎CT检查的患者，测量椎弓根水平椎体前缘与腹主动脉、下腔静脉或髂血管之间的距离，统计60岁以上人群与60岁以下人群指标的差异。

11 patients with ranula(simple ranula 5 cases,plunging raula 6 cases)were treated by OK-432 intralesional injection,the IL-1αand TNF-βof the cystic fluid were detected by ELISA before and after treatment.

11例舌下腺囊肿患者(单纯型5例，下陷型6例)接受病变内注射OK-432治疗，观察临床疗效，治疗前后抽取囊液分析IL-1α和TNF-β的含量。

Paper Generation System is designed and implemented based on the sufficient needs analysis in this paper,It mainly implements some functions include in manually and automatically generating papers,extrating some of existing papers,maintaining user information and so on ,the system can operate stably in Windows 98/me/2000/XP platform ,reach the expected goal and have some practical value.

本文在充分的需求分析基础上，设计和实现了一个试卷生成系统，主要完成了手动生成试卷、自动生成试卷、抽取现有试卷和用户管理等功能。通过测试，系统在Windows 98／me／2000／XP平台下能稳定运行，且基本达到了预期的设计目标，有一定的实用价值。

Paper Generation System is designed and implemented based on the sufficient needs analysis in this paper,It mainly implements some functions include in manually and automatically generating papers,extrating some of existing papers,maintaining user information and so on ,the system can operate stably in Windows2000/XP/Vista platform ,reach the expected goal and have some practical value.

本文在充分的需求分析基础上，设计和实现了一个试卷生成系统，主要完成了手动生成试卷、自动生成试卷、抽取现有试卷和用户管理等功能。通过测试，系统在Windows 2000／XP/Vista平台下能稳定运行，且基本达到了预期的设计目标，有一定的实用价值。

The generated gas in the samples was diluted by air to simulate the real gas in stack.

抽取出辐照样品中生成的裂片气体并经稀释后制得模拟样品。

The establishing process of knowledge base is the learning knowledge process in ANN, so the knowledge base can constantly rechange and enrich.

基于ANN的CAPP系统开发工具的知识库由知识抽取机和学习机共同作用生成，知识库的建立是在网络学习过程的基础上进行的，因而知识库可以不断创新、不断丰富。

There are three common personalized recommendatory technologies: information retrieval and extractor, content-based filtering and collaborative filtering, data mining and knowledge discovery.

常用的个性化服务推荐技术包括三种：信息检索与信息抽取、基于内容的过滤和协同过滤、数据挖掘与知识发现。

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！