数据显示，在去年4月中国实施出口管制后的八个月内，中国对美出口的钇类产品仅17吨，而此前八个月相关出口量为333吨，降幅极为显著。
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Both nations are planning to land at the Moon's south pole - and are competing for the best spots to build their lunar bases.
Credit: Disney / Pixar