中国将于2028年发射长征9号重型运载火箭
时间:2018-09-19 09:05:27
(单词翻译:单击)
China plans to launch the heavy-lift carrier rocket Long March-9 in 2028, said an official of China National Space Administration (CNSA) at the World Conference on Science Literacy 2018 on Tuesday.
中国国家航天局一位官员周二在2018世界公众科学素质促进大会中表示,中国将于2028年发射长征9号重型运载火箭。
Li Guoping, director of the Department of System Engineering of the CNSA, said that the length of the Long March-9 will exceed 90 meters, and the rocket would have a core stage with a diameter of 10 meters.
It would be able to carry a payload of 140 tonnes into low-Earth orbit, five times that of the Long March-5, said Li.
The rocket's capacity would also reach 50 tonnes for Earth-Moon transfer orbit.
China is also developing a medium space rocket, the Long March-8, which is expected to make its
maiden1 flight in 2020.
The Long March rocket series have been launched 284 times, sending more than 400 spacecraft into space.
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收听单词发音
1
maiden
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n.少女,处女;adj.未婚的,纯洁的,无经验的 |
参考例句: |
- The prince fell in love with a fair young maiden.王子爱上了一位年轻美丽的少女。
- The aircraft makes its maiden flight tomorrow.这架飞机明天首航。
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