In multiplex and demultiplex systems such as Synchronous Digital Hierarchy (SDH), timing processing is very important to system performance.
在复分接系统中，如同步数字系列(SDH)，定时处理占有重要地位。
In multiplex and demultiplex systems such as Synchronous Digital Hierarchy (SDH), timing processing is very important to system performance.
在复分接系统中，如同步数字系列(SDH)，定时处理占有重要地位。
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