英语词汇null ephemeris table怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	null ephemeris table
释义	null ephemeris table 简明释义零值星历表网络释义 1 ?零值星历表义中文名称：零值星历表英文名称： null ephemeris table 定义：人为设定在1958年1月1日世界协调时的00时00分00秒，所有罗兰-C台链的主台发射脉冲组中的第一个脉冲，由此逐年逐月逐日地推算出各台链主台脉冲组的
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英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。