“local first selector”的概念、定义、翻译、参考文献-科学参考

单词	local first selector
释义	local first selector [`lō·kǝl ¦fǝrst si¦lek·tǝr] ^{COMMUNICATIONS} The second portion of a line that connects to a calling line, through a line primary switch, to a local second selector and special service second selector, and returns a dial tone to the calling subscribers.
随便看	piedmont stairway piedmont step piedmont treppe pi electron piemontite pier piercement piercement dome Pierce oscillator Pierce's disease piercing piercing fold piercing gripper piercing point pier foundation pierhead line Pieridae Piesmatidae Piesmidae piezocaloric effect piezochemistry piezocrystallization piezoelectric piezoelectric ceramic piezoelectric crystal

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。