“mean-time type time-signal”概念、定义、翻译-科学时代

单词	mean-time type time-signal
释义	天文学词汇手册 mean-time type time-signal 平时式时号
随便看	drag crisis drag-cup generator drag divergence drag due to lift dragee drag effect drag effect drag effect drag flow drag flow drag fold drag force drag force drag force drag freight train drag friction dragged-in filling dragger dragger dragger dragging dragging draggy sale draggy sales drag-lift ratio

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。