“access line”的概念、定义、翻译、参考文献-科学参考

单词	access line
释义	access line [`ak´ses ´līn] ^{COMMUNICATIONS} Four-wire circuit between a subscriber or a local PBX to the serving switching center.
随便看	pregnancy test pregnanediol pregnenolone preheat current preheater preheat fluorescent lamp preheat roll prehensile prehension pre-Hilbert space prehnite preignition pre-Imbrian preimpregnation preindexing preionization preliminary amplifier preliminary waves preloading prelogging premaxilla premessenger ribonucleic acid premitosis premium motor oil premix

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。