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楼主 / sspassp
- 时间: 2017-10-09 01:51Russia's space program faces hard questions as it marks the 60th anniversary of the launch of Sputnik, the first man-made satellite.
俄罗斯的太空计划在该国首颗人造卫星斯普特尼克发射60周年之际面临着难题。
Some experts are wondering how Russia's aging rocket designs will compete with new, less costly rockets.
一些专家希望知道，俄罗斯过时的火箭设计如何同成本更低的新型火箭竞争。 -
60 Years After First Satellite, Russian Space Program Faces Struggles
