“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	pension expense pension formula pension fund pension fund pension fund pension fund pension fund pension fund pension mis-selling pension plan pension plan pension plan pension plan pension plan trustee pension pool pension pool pension provider Pension Reform Act pension reserve fund pension right pension safeguard pension scheme pension scheme pension system pension trust

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)