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Terms for subject Astronautics containing 通报 | all forms
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接通自动寻的制导系统activation of homing
普通地图general map
月球-地球通信线路lunar communication back line
流星余迹无线电通信系统meteor-burst radio
距离选通脉冲发生器range-gate generator
选通脉冲宽度gate width
测量用通气孔pickup hole