安全性分析研究工作需要把计算机网络与安全相关的系统资源和安全因素抽取出来建立一种面向安全性分析的安全模型。
The research of security analysis needed a systemic security analysis model that was from the system resource and security factor of computer network.
只要预处理、特征抽取及分类得当，时间间隔和实验误差等因素对运动想象识别的影响不大。
With the suitable pretreatment, features extraction and classifier design, the influence, which arose from time interval, experiment error and so on, can be nearly ignored.
抽取地下咸水只是咸水恢复的一个因素，周边淡水的驱替作用则是咸水恢复另一个的因素。
Extraction of saline water is one factor of the saline groundwater restoration and the surrounding freshwater displacement is another one.
方法：应用分层整群抽样方法，在城市、农村小学中各抽取一所小学，进行视力检查及相关因素调查。
Method: Using stratified cluster sampling, sampling an elementary school respectively in the city and countryside, carries on the check by sight and the correlation factor investigation.
观测结果与颗粒位移模型(GDM)模拟的结果具有较好的一致性，说明导致地面形变的主要因素为过量抽取地下水。
The surveyed subsidence is in accord with the result simulated by using the Granular Displacement Model (GDM). The main factor causing ground deformation is pumping underground water too much.
采用随机抽样方法，抽取西安市南郊经济中等地区部分企事业单位2 97名婴儿，对其喂养状况及其影响因素进行了调查。
Feeding status and factors affecting breastfeeding of 297 infants in the middle level areas of economic development of the south suburb in Xian were investigated, with randomly sample method.
方法采用现况调查方法，整群抽取某幼儿师范学校的919名学生进行最近1年内危害健康行为及其相关因素的问卷调查。
Methods a questionnaire survey of health risk behaviors in last year was conducted on 919 random samples among children's normal school students by cross-sectional study.
2003~2004年，在云南省4个县（市）随机抽取968名吸毒人员进行调查，并进行多因素累积比数模型分析。
To investigate 968 IDUs by randomly sample from four counties(cities) from 2003 to 2004, and analyze the data by multifactor accumulative odds model.
方法随机抽取离退休教职工做老年人跌倒危险因素调查。
Methods An investigation was carried out among retired teachers by face to face.
观测结果与颗粒位移模型(GDM)模拟的结果具有较好的一致性，说明导致地面形变的主要因素为过量抽取地下水。
The surveyed subsidence is in accord with the result simulated by using the Granular Displacement Model (GDM). The main factor causing ground deformation...
本文抽取文化方面的几个因素并以之为例，来说明外语阅读中所存在的文化障碍以及克服文化障碍的对策。
This paper, taking several examples in culture, shows the cultural obstacles in foreign language reading and the countermeasures.
方法：对随机抽取的城乡初一、初二学生进行营养状况的体质调查和有关影响因素的问卷调查。
Methods: Students with random sampling in Grade 1 and Grade 2 in both rural and urban junior middle schools were investigated on nutrition and body constitution by questionnaire.
方法：对随机抽取的城乡初一、初二学生进行营养状况的体质调查和有关影响因素的问卷调查。
Methods: Students with random sampling in Grade 1 and Grade 2 in both rural and urban junior middle schools were investigated on nutrition and body constitution by questionnaire.
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