英语翻译a 5-dB degradation of sensitivity has beenobtained in ba

来源：学生作业帮编辑：作业帮分类：语文作业时间：2024/07/17 23:05:03

英语翻译
a 5-dB degradation of sensitivity has beenobtained in back-to-back.
这句话中的 back-to-back是什么意思?怎么翻译
不要翻译软件复制粘贴~

在连续的测试中,灵敏度降低了5-db（根据语境补充的翻译）
连续的
再问： The 25-dBm sensitivity (at a BER of 10 ) obtained using two different fibers are almost identical in both back-to-back and……. 这是前文，这里in both back-to-back该怎么翻译？使用两种不同的光纤获得了几乎相同的-25-dBm的灵敏度（在10-9BER），
再答：翻译成“在连续性方面”吧，专业的词汇不知道这是在说什么，波么？
再问：嗯，眼图 Detection eye diagram for back-to-back

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