美国一直都拥有全球最发达的由雷达和望远镜网络组成的太空监测系统，但其侦察零散不全。
America already has the world's most developed space monitoring system with a network of radars and telescopes. But its surveillance is patchy.
他被复仇点燃了，他感到飞机的一项需求，即：充分有效地遁形于英国雷达监测网络系统。
He was burning with revenge and felt the need for a plane that would be pretty much invisible to Britain's Chain Home radar system.
以差分吸收激光雷达为背景，对基于WDM的实时监测控制系统的设计中涉及的关键技术进行研究。
With differential absorption laser radar as background, the key techniques related in designing real-time monitor and control system based on WDM (Wavelength Division Multiplexing) are studied.
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