名词
中文翻译：Unknown
同义词：
['first-generation rocket', 'first-generation spacecraft', 'first-generation satellite launch vehicle']
例句：
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1.The first generation of rockets was developed in the 1950s.
第一代火箭是在20世纪50年代开发的。
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2. The first generation of spacecraft has made significant strides in technology.
第一代航天器在技术上取得了重大进展。
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3.The first generation satellite launch vehicle revolutionized communication and data transmission.
第一代卫星运载火箭彻底改变了通信和数据传输的方式。