It was a surprise to the world, a shock to many Americans, and the starting gun for the space race between the superpowers.

在冷战中，这个消息震惊了世界，并给美国人带来巨大冲击，同时也是两个超级大国间太空竞赛的发令枪响。

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Shock behavior of silicon nitride ceramic was investigated by using a one-stage light gas gun facility.

用一级轻气炮冲击加载装置，对氮化硅陶瓷进行了冲击性能实验研究。

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The behaviour of shock compression of the mixture of carbon and water is studied by means of loading technique of two stage light gas gun.

利用二级轻气炮加载技术研究了碳水混合物的冲击压缩特性。

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Mr Burns was repeatedly hit "without warning" by the electric shock gun and pepper-sprayed in the face as officers tried to hold him with handcuff and leg restraints, the inquest heard.

BBC: Dale Burns

France is still recovering from the shock of a series of gun attacks in the southwestern cities of Toulouse and Montauban last month.

CNN: France serial killer fears grow after 4 shootings

So, it should shock nobody that Senator Reid is a long-time gun rights advocate who has consistently counted upon the support of the NRA when running for election in his home state.

FORBES: Gun Advocates Celebrate 'Secret' Obamacare Provision Forbidding Exec Order To Regulate Guns And Ammo