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xing ji fei xing de xin dong li
Author(s): 
Pages: 7
Year: Issue:  Z2
Journal: Required Reading for Junior Middle School Students

Keyword:  星际飞行离子推进器更新技术火箭化学燃料长距离奇思妙想人类推进技术新动力;
Abstract: <正>人类迄今为止所能到达的最远的地方是月球,究其原因,是当前使用的化学燃料火箭无法用于长距离的深空飞行,人类要想飞得更远,就必须更新技术。请看专家们有关未来星际飞行的奇思妙想。离子推进器离子推进器产生相同的推力所需的燃料,比常规火箭要少得多。只要离子推
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