双波段
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dual waveband signals
双波段信号
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Dual waveband signals in high power laser welding were recorded and analyzed, especially, the law between the signals magnitude and the defocusing was discussed.
记录和分析了高功率激光焊接中工作区的紫外和红外信号，着重分析了双波段信号与离焦量变化的对应规律。
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