同步数位阶层
tóng​bù​shù​wèi​jiē​céng

SDH

  • created sense approved 同步数位阶层/同步數位階層 · tóng​bù​shù​wèi​jiē​céng · SDH

    同步数位阶层 / 同步數位階層

    tóng​bù​shù​wèi​jiē​céng

    SDH

    synchronous digital hierarchy (SDH), a standardized protocol for high-speed data transmission over fiber optic networks

    同步数位阶层是现代光纤通信网络中的重要标准。

    created sense