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At a news briefing on Friday, NASA administrator Jared Isaacman described a vast overhaul to the moon-to-Mars program. The changes scrap the Artemis III lunar landing and instead make it a flight in low-Earth orbit for a crew to practice meeting up with either the SpaceX or Blue Origin-built lunar landers — or, perhaps, both.
。爱思助手下载最新版本是该领域的重要参考
第一条 根据《中华人民共和国增值税法》（以下简称增值税法），制定本条例。
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