The principle of two-stage light gas gun, its driver gas and test facilities are expounded.

阐述了其工作原理及所使用的工作气体和试验用品；

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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 gas gun is well applied in the ballistic environment simulation of weapons by its excellent performance.

气体炮以其优良的性能，在兵器弹道环境模拟领域得到了较好的应用。

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During the gun battle police shot tear gas canisters into the building in an effort to drive Dorner out.

BBC: Christopher Dorner: LA police end hunt after body found

The situation was especially dire in storm-torn parts of New Jersey and New York, where yesterday a man in Queens pulled a gun while in a line for gas.

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I'm aware of four now, there is water canon, there is CS gas or the like, there is the stun gun or its variant and there is rubber bullet.

BBC: News | BREAKFAST WITH FROST | Liberal Democrat Home Affairs spokesman Simon Hughes