全球每年钪产量仅为几十吨，但它在燃料电池、特种铝合金以及先进芯片工艺和封装环节中承担关键角色。
Медведев вышел в финал турнира в Дубае17:59
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In May last year, the 64-year-old announced she had diagnosed with stage four Mantle cell lymphoma, a "fast-moving" form of blood cancer.
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