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直流电压比例标准
释义
直流电压比例标准
Encyclopedia
工学
直流电量计量
释
ratio standards of DC voltage
直流电压比例标准
直流电压比例的实物标准。一般为直流电阻分压箱,具有固定比率,由提供输出电压等于输入电压预定分数的电阻网络组成。
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