抽取

Used in shaping process of brick production , the treated clay will be plastic extruded by up stage then via vacuum room into down stage, estruding into solid or hollow clay column of required cross section and shape which then cut into greenbrecks by green breck cutter.

JKR40/40型双级真空挤砖机适用于砖瓦生产成型工段，可将经过处理的原料经过上级增塑挤出后落入真空室抽取空气后再经过下级挤成规定断面的实心或空心坯条，再经过切坯机制成一定规格的砖坯。

Buzzard, Nexen's largest field in the area, can pump about 200,000 barrels of oil a day.

Buzzard是Nexen在该区域最大的产区，每天能抽取约20万桶的原油。

The obtained results show that the extraction time of isosurfaces can be reduced by a factor of four.

试验结果表明，该算法比基于三角网格的等值面抽取时间缩短了约1/4。

Methods We studied 546 intellectuals(female:n=267,male:n=279)aged 45 years and older who had measurements of mineral density using SPA in distal radius and underwent calcaneum radiography classified by Jhamaria's method.

随机抽取546名(女267名，男279名)45岁以上中老年知识分子做非优势侧桡骨单光子骨密度测定与跟骨X射线摄片，分析桡骨骨密度及跟骨小梁Jhamaria分级的相关性；比较两种方法的诊断一致性。

A new method of combination of Canonical Correlation Analysis and Maximum Scatter Difference Discriminate Analysis is developed in this paper.

提出了一种融合典型相关分析与最大散度差鉴别分析的特征抽取新方法。

Ready to be drawn; in a tapped cask

准备好被抽取的；盛放在一只带有龙头的酒桶中的

Objective To study the status of knowledge, belief and behavior on tobacco and health among primary school students and to provide evidence for effectively developing adolescent's smoking cassation activities. Methods The questionnaire survey was carried out among the pupils in grade 3-5 from 15 primary schools in Beijing, Shanghai, Tianjin, Shenzhen, Puyang and Changsha.

目的 了解青少年烟草与健康相关知识、信念及行现状，为有效开展青少年控烟活动提供事实依据方法对北京、上海、天津、深圳、濮阳、长沙6所城市随机抽取的15所小学三～五年级学生进行统问卷调查。

Objective To study the status of knowledge,belief and behavior on tobacco and health among staffs in primary and secondary schools and to provide evidence for effectively developing school-based smoking cassation activity.Methods The questionnaire surveywas carried out among the teachers from29primary and secondary schools in Beijing,Shanghai,Tianjin,Shenzhen,Puyang and Changsha.

目的 了解中小学教职工烟草与健康相关知识、信念及行现状，为有效开展学校控烟健康教育提供依据方法对北京、上海、天津、深圳、濮阳、长沙随机抽取的29所中小学教职工进行统问卷调查。

Methods Surveys and controlled analyses were conducted with the PSTRI, SCL90, EPQ in 112 nurses of tumor department selected with holism sampling and 120 ones of general clinic department selected with random sampling from the second、fourth hospital of Zhuzhou city and the centrical、first hospital of Xiangtan city.

整群抽取112名湖南省株洲市四所医院肿瘤科护士为研究对象，其它临床科护士120名为对照。采用心身压力测试量表、症状自评量表、艾森克个性问卷对两组进行评定分析。

Finally, the proposed method is used to solve the handwritten character feature extraction and recognition problems.

最后，用所提出的方法来解决手写体字符的特征抽取与识别问题。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。