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》

Its guidance software enables it to lock on to and follow a rapidly moving target.

它的导航软件使得它能够锁定或跟踪一个高速运动的目标。

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In this paper, the method of reentry maneuver guidance applying to attack the ground fixed target is described by using flight dynamics principle and modern control theory.

本文运用飞行力学原理和现代控制理论，对攻击地面固定目标的飞行器的再入机动制导方法进行了研究。

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The words "estimate, " "project, " "forecast, " "intend, " "expect, " "believe, " "target, " "providing guidance" and similar expressions are intended to identify forward-looking statements.

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Air Force F-15E fighter jets will launch the new weapon, which would find its target either by a laser or satellite guidance system.

CNN: Pentagon to use new bomb on Afghan caves

The words "may, " "could, " "should, " "estimate, " "project, " "forecast, " "intend, " "expect, " "anticipate, " "believe, " "target, " "plan, " "providing guidance" and similar expressions are intended to identify information that is not historical in nature.

ENGADGET: Dish Network makes an offer to buy Clearwire, even though Sprint was already buying Clearwire