描述
逻辑地:也叫机器逻辑地、主机电源地,是计算机内部的逻辑电平负端公共地,也是+5V等的电源输出地。如CPU的正负5伏、正负12伏的负端。需要接入公共接地极。
TEKTRONIX STEREO AUDIO LEVEL PHASE CD MASTERING MONITOR
NASA GEMINI ANALOG ELECTRIC DUAL STOP WATCH CLOCK TIMER
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SR-71 BLACKBIRD FLIGHT INSTRUMENT STOP CLOCK BOMB TIMER
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STEAMPUNK ANALOG ELECTRIC DUAL STOP WATCH CLOCK TIMER
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NASA GEMINI FLIGHT INSTRUMENTS ANALOG STOP WATCH TIMER