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银虫 (小有名气)

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[交流] 【求助】专业英文翻译

下面是语音方面的一篇英文片段，自己翻译的不能理解，求助下，请专业人士帮帮忙啊，谢谢啦！
The signal in region B1 is similar to a segment from the
previous epoch (B2) and a segment from the future epoch (B3).
The backward pitch period during B1 is the relative lag between
B1 and B2, and exists for the entire current epoch. The backward
pitch period during B3 is the relative lag between B1 and
B3. The segment of signal between B1 and B3 does not have a
backward pitch defined. This is always the case when pitch period
is increasing: signal segments near the end of each epoch
do not have a backward pitch defined.
The forward pitch period in the segment B2 is the relative
lag between B1 and B2. The forward pitch period in the segment
F1 is the relative lag between F1 and F2. Because the pitch
period is increasing, the forward pitch is well defined everywhere.

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