美国国家航空航天局(NASA)将采用一种古老方法来测试未来火箭的设计方案，把一个没有盖子的大铝罐逐渐慢慢的加压，直至把它压碎。
To test future rocket designs, NASA is employing an age-old bar trick: Slowly and deliberately apply pressure to an aluminum can until it crumples. No foreheads will be involved, however.
研究的结果却促成了降落伞和供战斗机飞行员和早期的宇航员的穿着的加压服装设计。
Results from these studies contributed to designs for the parachutes and pressurized suits that fighter jet pilots and early astronauts would wear.
性能测试工具是设计用来模仿数千个用户来对服务器和其他在测的应用程序施加压力的。
A performance test tool was designed to emulate thousands of users to stress servers and other applications under test.
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