“synchronous digital hierarchy network”的概念、定义、翻译、参考文献-科学参考

单词	synchronous digital hierarchy network
释义	synchronous digital hierarchy network Encyclopedia 工学传送网释 synchronous digital hierarchy network同步数字传送网基于同步数字传送体系组建的传送网。由一些同步数字传送网元组成，在光纤上进行同步数字信息传输、复用和交叉连接的网络，实现网络管理、实时业务监控、不同厂商设备间的互通等功能，提高网络资源利用率。
随便看	linear column charge linear combination linear combination of atomic orbital linear combination of atomic orbital method linear combination of atomic orbital method, LCAO method linear combination of atomic orbitals linear combination of atomic orbitals (LCAO) linear combination of atomic orbitals method linear communication models linear compact operator linear complementarity problem linear complementary problem linear complex linear complex group linear complexity linear complexity of a sequence linear complex of spheres linear component linear computation linear computational algorithm linear condition linear congruence linear congruence equation linear congruence method linear congruence of curves

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