| 释义 |
angstroms是angstrom的复数 n. | 1. a unit of length equal to one ten-billionth of a meter (10 m), used to measure the wavelengths of electromagnetic radiations. 2. the letter "a" with a mark (°) placed above it, used in some Scandinavian languages to indicate a change in pronunciation from "a" to "aw" |
1. | 埃 天文学家一般用"埃"(Å,Angstroms)来描述波长,1埃等于百亿分之一米。常见的黄绿色光波长在5500埃左右，主要由代表太阳表 … www.guokr.com | 2. | | 3. | |
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