When the projectile penetrates the moderate-thickness laminated plate at the low velocity, the penetration resistance of the plate ascends at first and then descends after reaching the peak value.

• 分析认为：弹丸低速侵彻中厚靶条件下，随着叠层靶界面位置沿弹丸侵彻方向的移动，叠层靶的抗侵彻性先增大后减小，并存在一个极大值。