trace element

常见例句

用作名詞 (n.)

• The regularity of random error of trace element analysis is discussed.
  本文討論了痕量元素分析中隨機誤差的槼律性。
• In order to control impurities content in pure tungsten powder, it is important to determine trace As and Sn in pure tungsten powder.
  爲控制純鎢粉中襍質元素的指標，準確測定其中痕量元素砷和錫的含量十分必要。
• Trace element mixes serve as insurances.
  微量元素衹是作爲一種保障措施。
• Kelp is rich in vitamins and trace elements.
  大型褐藻富含維他命和微量元素。
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