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”。
Alarm bells are ringing in the UK research community. Physics departments may close and researchers leave the UK. What is happening and why?
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Which fonts are most dangerous?
Women's health