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最佳答案:Power Supply Regulation 电源调节(器)(Calibrated @ 12VDC) 以12 直流电压(为)校准(值)
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最佳答案:wearable wireless sensor network refers to a wireless network that nondeliberate
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最佳答案:The physical basis of photosensitive sensor is photoelectric effect which means
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最佳答案:This article uses Liang's curving method survey brass and the steelbar young's m