帕特尔指出，“美国目前国内钪产量为零，也没有在中国以外已经投产运转的替代来源”，现有库存恐怕以“月”为单位计算，而非“年”。
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drop-oldest: Drops the oldest buffered data to make room. Useful for live feeds where stale data loses value.，详情可参考搜狗输入法2026
According to Politico, the acting head of Nasa referred to similar plans by China and Russia and said those two countries "could potentially declare a keep-out zone" on the Moon.