“line-drop signal”的概念、定义、翻译、参考文献-科学参考

单词	line-drop signal
释义	line-drop signal [`līn ¦dräp ´sig·nǝl] ^{COMMUNICATIONS} Signal associated with a subscriber line on a manual switchboard.
随便看	datum level datum line datum plane datum point Daubentoniidae Daubenton's plane daubreeite daughter daughter board daughter nucleus Dauphine law Davian Davida davidite Davidson Current daviesite Davis correction Davis-Gibson color filter Davis magnetic tester davisonite Davisson-Calbick formula Davisson-Germer experiment Davis wing davit Davy lamp

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。