The guidance systems didn't work and the missile couldn't hit its target.
制导系统失灵了,所以导弹没能命中目标。
《柯林斯英汉双解大词典》
2
In this study we have attempted to investigate the trajectory stability problems of head-on anti-tactical ballistic missileguidance by way of the Lawes Criterion.
In order to enter into the ideal trajectory with minimal energy, the nonlinear thrust vector control and the prediction guidance are adopted in the missileguidance control system.