potassium-argon method 中文意思是什麼
potassium-argon method
解釋
鉀氬定年法-
It was dated by the potassium-argon method to 1. 8 million years old.
由鉀氬法測定其年齡為180萬年。 -
It was dated by the potassium - argon method to 1. 8 million years old
由鉀?氬法測定其年齡為180萬年。
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