Based on the reduction of attribute sets, the partial order relation matrix of radar jamming space is obtained.
在计算属性约简集的基础上，建立了雷达干扰空间的偏序关系矩阵。
The topography is based on radar data collected during the Shuttle radar topography Mission, which flew onboard Space Shuttle.
地形数据来自于搭载在奋进号航天飞机上的飞船雷达地形测绘任务平台(the Shuttle Radar Topography Mission)，于2002年2月中旬获得的数据。
Typical end products include weapons and radar systems, avionics, space-based electronics, and medical instrumentation.
典型最终产品包括武器与雷达系统、航空电子、基于空间的电子及医疗仪器。
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