英语词汇“look-back time”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	look-back time
释义	look-back time look-back time The time elapsed since a certain redshift. look-back time [′lu̇k ‚bak ‚tīm] (astronomy) The time in the past at which the light now being received from a distant object was emitted.
随便看	pulse radio pulse radio communication pulse radiolysis pulser and recorder pulse rate pulse rate modulation pulse rate repetition pulse-rate telemetering pulse ratio modulation pulse reactor pulse reading pulse rebalance loop pulse recurrence frequency pulse recurrence period pulse recurrence rate pulse recurrence/repetition frequency pulse recurrence time pulse regeneration pulse repeater pulse repetition frequency pulse repetition frequency discrimination pulse repetition interval pulse repetition period pulse repetition per minute pulse repetition rate

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。