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trace element

英 美
  • n.[化]痕量元素;微量元素

详细释义

Noun:
  1. an element that occurs at very small quantities in the body but is nonetheless important for many biological processes

双语例句

    用作名词 (n.)
    1. The regularity of random error of trace element analysis is discussed.
      本文讨论了痕量元素分析中随机误差的规律性。
    2. In order to control impurities content in pure tungsten powder, it is important to determine trace As and Sn in pure tungsten powder.
      为控制纯钨粉中杂质元素的指标,准确测定其中痕量元素砷和锡的含量十分必要。
    3. Trace element mixes serve as insurances.
      微量元素只是作为一种保障措施。
    4. Kelp is rich in vitamins and trace elements.
      大型褐藻富含维他命和微量元素。

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