宇航员是否携带武器以防在太空中遇到敌人？
Do spacemen carry weapons in case they encounter enemies in space?
他们蹲伏在树丛里，将武器抛向空中。
Sitting in trees, they would throw the weapon through the air.
空中运动多目标识别与跟踪技术是武器电视跟踪系统中的关键技术。
Multi_object recognizing and tracking is key technology of weapon tracking system.
空中运动多目标识别与跟踪技术是武器电视跟踪系统中的关键技术。
Multi_object recognizing and tracking is key technology of weapon tracking system.
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