The holiday detector shall be checked with a DC voltmeter at least once each shift to ensure accuracy.
应至少在每次换班时用直流电伏特计检查一次漏涂检测仪以确保其准确度。
Audio watermarking that modulates DC level shift according to watermark has wonderful low pass and noise resistance performance.
根据水印调整直流电平偏移的音频水印算法具有很好的低通和抗噪性能。
Based on the property of transform coding, a fast transform coding algorithm of DC shift is proposed.
根据变换编辑码的持点，对变换编码中直流偏移处理提出一种快速算法。
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