中央处理器（CPU）读取寄存器并计算常驻及等待时间，该时间被写入到PTP后续包中。
The CPU reads the register and calculates residence and latency times that is entered in PTP follow up packets.
中央处理器（CPU）读取寄存器并计算常驻及等待时间，该时间被写入到PTP后续包中。
The CPU reads the register and calculates residence and latency times that is entered in PTP follow up packets.
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