• 1885年,门捷列夫描述过的埃卡-发现名为时,带来额外的支持

    Additional support came in 1885 when eka-silicon, which had also been described in advance by Mendeleyev, was discovered and named germanium.

    youdao

  • 1885年,门捷列夫描述过的埃卡-发现名为时,带来额外的支持

    Additional support came in 1885 when eka-silicon, which had also been described in advance by Mendeleyev, was discovered and named germanium.

    youdao

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