英语词汇sign symbol是什么意思，sign symbol的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	sign symbol
释义	sign symbol　【计】正负符号
随便看	relay semiautomatic block relay sequence relay servo relay servomechanism relay set relay shelf relay shock absorber relay shutter relay spring relay station relay station relay station relay station relay stick relay storage relay switch relay switchboard relay switching circuit relay synthesis relay system relay system relay system interlocking relay tank relay team relay team

英汉汉英翻译词典包含1679246条英汉翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习及翻译工作的有利工具。