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NASA leaders said the shakeup is meant to address a larger underlying problem: the U.S. agency is flying its most powerful rocket too infrequently and repeating some of the same technical issues from one mission to the next.
Gene Munster, manager partner at Deepwater Asset Management, said that buildout was likely to continue for a long time.
自特朗普重返白宮後，已落實的項目包括：