The elements which are the most widely diffused have small atomic weights.
最广泛扩散的元素的原子量都很小。
-- Dmitri Mendeleev 门捷列夫
The elements which are the most widely diffused have small atomic weights.
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The elements which are the most widely diffused have small atomic weights.
最广泛扩散的元素的原子量都很小。
-- Dmitri Mendeleev 门捷列夫
