The devices in SDH network possess the function of extracting timing reference from STM-N.
SDH网络设备必需具有从STM - n线路信号中提取定时参考的功能。
The devices in SDH network must have the function of extracting timing reference from STM-N.
SDH网络设备必须具有从STM - N线路信号中提取定时参考的功能。
In this curve, the point which had the largest inclined rate was a timing reference point of low frequency time-code receiver.
该曲线的斜率最大点即为低频时码接收机的秒定时参考点。
In this curve, the point which had the largest inclined rate was a timing reference point of low frequency time-code receiver.
该曲线的斜率最大点即为低频时码接收机的秒定时参考点。
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