Digital phase lock loop is a key part of the digital demodulator.

数字锁相环是数字解调器的关键部件。

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High - bit - rate Digital Subscriber Loop?

高比特律数字用户环路HDSL ？

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High - speed Digital Subscriber Loop?

高速数字用户环路HDSL ？

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High - speed Digital Subscriber Loop?

高速数字用户环路HDSL ？

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