“公共交换电话网络”概念、定义、翻译-科学时代

单词	公共交换电话网络
释义	计算机词汇手册 PSTN (public-switched telephone network) 公共交换电话网络
随便看	deficiency deficiency deficiency deficiency deficiency deficiency deficiency deficiency deficiency deficiency deficiency deficiency deficiency deficiency deficiency deficiency account deficiency anaemia deficiency appropriation deficiency cold deficiency-cold syndrome deficiency complicated with excess deficiency disease deficiency-excess complex deficiency fire deficiency fire flaming upward

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

PSTN (public-switched telephone network)