... 保续林施业法 Continuous forest method 连续推进 Continuous propulsion 等高线 Contour-line ...
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An ESA engineer working with engineers in the UK may have found a solution using a new type of orbit combined with continuous-thrust ion propulsion.
来自欧空局和英国的工程师们可能已经找到了解决方案——采用新型轨道与连续离子动力推进相结合的方式。
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