释义 |
埃2āi长度单位,一埃等于一亿分之一厘米。主要用来计算光波等的波长。这个单位名称是为纪念瑞典物理学家埃斯特朗(Anders Jonas ╖ngstr╗m)而定的。{angstrom, unit of linear measure. One angstrom equals one tenth of a millimicron or one ten-millionth of a millimetre, primarily used to express electromagnetic wavelengths. This unit of length is named after the Swedish physicist Anders Jonas ╖ngstr╗m (1814-1874).} |