略語大辞典 [MIL] 29 SSTS space-based surveillance and tracing system 監視追尾宇宙基地. 宇宙探査追跡システム. 衛星レーダー.space-based surveillance and tracing system; a midcourse sensor system that will initially consist of small, passive long-wave infrared sensors placed in medium earth orbit to track post-boost and reentry vehicles; an SDI( 丸善「略語大辞典」JLogosID : 11850727