A. 化学爆炸 B. 物理爆炸 C. 核爆炸
A. 正确 B. 错误
A. generally steady bearing and decreasing range B. generally steady range and increasing bearing C. increasing range and bearing D. decreasing bearing only
A. 1.5~3.5 B. 2.0~4.0 C. 3.0~5.0 D. 0.07~0.15