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问题详情

Jitter is an unwanted variation of one or more characteristics of a periodic signal in electronics and telecommunications and（）refers to call issues that cause variations in timing or time of arrival.

A、&ensp;echo

B、&ensp;jitter

C、&ensp;packet&ensp;loss

D、&ensp;digitized&ensp;sampling

时间：2022-06-17 14:20 关键词： CCDP(642-874)

答案解析

B

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