For the fuze setback arming of a projectile, there are two main force environments, one is a projectile launched in the bore, and another is the force environment of the 1.5 m drop test of ammunition from the standard.

• 对于弹药引信的后坐保险来说，主要的受力环境有两种，一种是弹丸在膛内的发射环境，另一种是标准规定的1.；5m跌落试验环境。