压缩质量低l QC ？
We're now used to massively easy, highly compressed downloads of music, which have very low sound quality.
我们现在已习惯于去听获取渠道方便且经过高度压缩的音乐文件，那些文件的质量往往不敢恭维。
The testing results show that compressed digital images transmitted over low-voltage power lines maintain good quality which has high clarity and naturalness within a certain distant.
实验结果是在某一距离以内，压缩的数字图像信号经过低压电力线路传输后质量得到保持，具有较高的清晰度和自然度。
The testing results show that compressed digital images transmitted over low-voltage power lines maintain good quality which has high clarity and naturalness within a certain distant.
实验结果是在某一距离以内，压缩的数字图像信号经过低压电力线路传输后质量得到保持，具有较高的清晰度和自然度。
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