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单词 θ71598
释义
the world > matter > chemistry > atomic chemistry > [noun] > atoms > atomic weight or mass > atomic mass unit (2)
dalton1938

A name for the atomic mass unit (see atomic mass, n. compounds), used chiefly in Biochemistry; frequently used as a dimensionless unit of molecular…

atomic mass unit1954

a unit used for expressing atomic masses, formerly equal to 1/16 of the average mass of an atom of oxygen, or of the precise mass of an atom of the…

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更新时间:2026/6/1 6:48:29