例句與造句

1. The sdh ( synchronous digital hierarchy ) is originally developed from the pdh ( plesiochronous digital hierarchy )
   它是目前光纖通信系統(tǒng)中應用最廣泛的數(shù)字傳輸體制。
2. Sdh ( synchronous digital hierarchy ) has some primary advantages such as synchronous multiplexing , standard optical interface and strong network management compared with pdh ( plesiochronous digital hierarchy )
   同步數(shù)字體制( sdh )與傳統(tǒng)的偽同步數(shù)字體制( pdh )相比,有三大核心優(yōu)勢,即同步復用、標準光接口和強大的網(wǎng)管能力。
3. How to transmit high volume data effectively and economically on current sdh ( synchronous digital hierarchy ) transmission network is an important research area in transmission technology . this paper first introduces the background of eos
   如何利用現(xiàn)有的sdh ( synchronousdigitalhierarchy )網(wǎng)絡高效而經(jīng)濟地傳輸數(shù)據(jù)業(yè)務，目前正成為傳輸技術(shù)中重要的研究課題。
4. It's difficult to find sdh(synchronous digital hierarchy) in a sentence. 用sdh(synchronous digital hierarchy)造句挺難的