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美对中国探月工程态度180度大转弯 竟是想省钱？
source link: https://tech.sina.com.cn/d/s/2019-01-21/doc-ihqfskcn8989148.shtml
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来源：中国科技网在国新办1月14日举行的嫦娥四号任务新闻发布会上，国家航天局副局长、探月工程副总指挥吴艳华介绍，此次任务中，中美双方开展了积极合作，利用正在月球轨道上运行的美国月球观测卫星（LRO）对嫦娥四号探测器进行了观测。中国工程院院士
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