Research shows a decline in the trace mineral content of fruits and vegetables grown in the conventional method.

研究表明，传统的水果和蔬菜种植方法会使微量元素的含量下降。

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And according to the mineral composition, chemical composition and trace element content, the evolution series of the magma is redefined.

并依据各单元的矿物成分、化学成分、微量元素含量的变化，重新厘定了岩浆的演化顺序。

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And according to the mineral composition, chemical composition and trace element content, the evolution series of the magma is redefined.

并依据各单元的矿物成分、化学成分、微量元素含量的变化，重新厘定了岩浆的演化顺序。

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