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1·The differences in the penetration mechanism between cuspidal and blunt projectiles are studied.

研究了尖头、钝头弹在侵彻机理上的差异。

2·The destroyed modes and characteristic of targets, and the differences of penetration mechanism between cuspidal and blunt projectiles are studied. Idiographic steps of building models are suggested;

详细研究了靶板的破坏模式、特点及尖头弹和钝头弹在侵彻机理上的差异，并提出了建立模型的具体步骤。

尖头的

1·The differences in the penetration mechanism between cuspidal and blunt projectiles are studied.

研究了尖头、钝头弹在侵彻机理上的差异。

2·The destroyed modes and characteristic of targets, and the differences of penetration mechanism between cuspidal and blunt projectiles are studied. Idiographic steps of building models are suggested;

详细研究了靶板的破坏模式、特点及尖头弹和钝头弹在侵彻机理上的差异，并提出了建立模型的具体步骤。