angstrom
angstrom[ˈaŋstrəm](亦作 ångström ˈɒŋstrəːm angstrom unit)(缩略词: Å)noun- a unit of length equal to one hundred-millionth of a centimetre, 10-10metre, used mainly to express wavelengths and interatomic distances
埃
语源- late 19th cent.: named after A. J. Ångström
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