这里用的是 平行光，模拟太阳光。
Supported projects are tracked for accountability,，更多细节参见91视频
Thanking the astronauts for their resilience and flexibility, he said SpaceX had been a "great partner".，更多细节参见heLLoword翻译官方下载
SpaceX said, "We look forward to working with NASA to fly missions that demonstrate valuable progress towards establishing a permanent, sustainable presence on the lunar surface."