“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	tint(o)meter tint plate tin tricyclohexylhydroxide tin triethyl tin trimethyl tin trimethyl radical tin trip tint screen tin-tube tin tube filler tin tube shutter tin-vanadium yellow tinware tin-weighted silk tin weighting tin wire tinwork tiny clutch tiny crack tiny organisms which create tilth in soil tinzenite tin-zinc tin-zirconium tin (化学元素符号Sn) tip

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。