“占线信号”的概念、定义、翻译、参考文献-科学参考

单词	占线信号
释义	占线信号 engaged signal engaged tone tone signal busy signal busy back signal busy tone signal
随便看	Mallinckrodt process Mallius cotton mallophaga Mallophaga mallophene Mallory Mallory battery Mallory bodies Mallory body Mallory connective-tissue stain Mallory metal Mallory's bodies Mallory sharton alloy Mallory-sharton alloy Mallory's phosphotungstic acidhematoxylin stain Mallory's triple stain Mallory watch battery tester Mallory Weiss syndrome Mallory-Weiss syndrome mall ovum mallow malloy Malloydium Malloy-Evelyn method (检血胆红素) Mall's formula

科学参考收录了1248194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。