The extraction and application of principle component representations were studied for machine noise monitoring.
研究了设备噪声监测中主分量特征表示的提取及应用。
For example, in production workshop, the workers hope there is something that can reduce machine noise, but can communicate easily.
在大多数情况下，用户希望有选择性地降噪。比如说在生产车间，工人希望既能降低机器轰鸣声，同时又能轻松地交流。
Sounds clear, but there is slight machine noise. The big control buttons are a great improvement on some of the complicated little controls on other tape-recorders.
音质清晰，但是会有一点机器的杂音。大按键设计比其他迷你录音机来说是一个极大的优势。
Sounds clear, but there is slight machine noise. The big control buttons are a great improvement on some of the complicated little controls on other tape-recorders.
音质清晰，但是会有一点机器的杂音。大按键设计比其他迷你录音机来说是一个极大的优势。
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