Read Edit View history 阿秒 āmiǎo attosecond Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 阿秒 · āmiǎo · attosecond 2026/03/04 阿秒 āmiǎo attosecond attosecond (10⁻¹⁸ s) 阿秒脉冲是研究电子运动的重要工具。 created sense Mar 4, 2026, 02:25 AM