温室效应是一种自然现象。
硫酸盐不仅是常见矿物，还是自然界少数几个具有氧同位素非质量分馏效应的矿物之一。
They are among the few minerals that show mass independent fractionation of oxygen isotopes.
硫酸盐不仅是常见矿物，还是自然界少数几个具有氧同位素非质量分馏效应的矿物之一。
They are among the few minerals that show mass independent fractionation of oxygen isotopes.
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