首先，构建了雷达干扰效果评估的连续值型信息系统。
Firstly, the continuous value information system to radar jamming effect evaluating is presented.
美国国家航空航天局（NASA）选择了通用动力先进信息系统公司建造地球资源卫星数据连续性任务（LDCM）的空间段。
WASHINGTON, 23 April 2008. NASA has selected General Dynamics Advanced Information Systems Inc., to build the Landsat Data Continuity Mission (LDCM) spacecraft.
通过信息系统评估链保证企业的信息系统开发和应用在时间和空间上的连续性。
Through the evaluation chain, it ensures the continuity of the enterprise's information system's developing and applying on time and space.
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