结论野生牛肝菌是一种富含蛋白质和各种矿物元素、无致突变性的野生菌。
Conclusion The wild Boletus is an edible wildlife mushroom with high protein, various mineral elements, and it has no genetic toxicity.
地质年代通常是通过矿物中发现的各种放射性元素的衰变率来获得的。
Geological dates are usually obtained by using the rates of decay of various radioactive elements found in minerals.
地质年代通常是通过矿物中发现的各种放射性元素的衰变率来获得的。
Geological dates are usually obtained by using the rates of decay of various radioactive elements found in minerals.
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