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ground coverage
oil 地面覆盖范围; 地面感测范围
tech. 制图区 (域); 萌蔽地; 航摄范围; 地面覆盖 (范围); 地面覆盖 (层); 成图区域; 成图情况; 成图面积
ground coverage
: 2 phrases in 2 subjects
Air defense1
Space1