GPS-guided smart bombs are rendered dumb.

gps制导的智能炸弹失效。

So that I'm on time, from meeting a friend for coffee to, well, dropping smart bombs.

这样我才能准时，无论是约朋友喝咖啡，还是扔智能炸弹。

This is a story that connects clock makers, astronomers, sailors, mathematicians, kings and queens, space satellites, and even smart bombs.

这是一个将钟表匠、天文学家、水手、数学家、国王和王后、太空卫星联系在一起的故事，甚至还有智能炸弹。

The railgun held the possibility of providing an effective weapon at a much lower cost than smart bombs and missiles.

轨道炮仍有可能用比智能炸弹和导弹便宜很多的价格提供一种有效武器。

The fact that a guidance kit for a smart bomb cost around $20,000, that's every single time there's a strike with one of these.

事实上，智能炸弹上一件导航设备花费约两万美元，每次空袭的单单一个炸弹就要花费这么多。