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日本某公司最近开始出售3100型笔式数字多用表.此多用表装有专用大规模集成电路,为3~1/_2位显示.它能测直流电压到200毫伏,电阻200欧~20兆
A Japanese company recently started selling the Model 3100 Pen Digital Multimeters, a multi-meter with a dedicated LSI for display of 3 to 1/2 digits. It can measure DC voltages up to 200 millivolts and resistances from 200 ohms to 20 megabytes