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简介：危机时刻，航空母舰的首要任务就是让战斗机起飞，投入战斗。让喷气式战斗机在大约90米长的甲板上起飞，是一项重大的技术挑战。因为飞机的速度要在两秒内从零增加到270公里/时。美国海军一直使用蒸汽弹射器弹射战斗机。现在，工程师正研发一种新系统—电磁弹射器。收起
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