“AC-DC instrument”的概念、定义、翻译、参考文献-科学参考

单词	AC-DC instrument
释义	AC-DC instrument Encyclopedia 工学标准与校验装置释 AC-DC instrument交-直流仪器将被测交流电量参数（如交流电流、交流电压、有功功率、无功功率、有功电能、无功电能、频率、相位、功率因数等）按比例转换成直流电流、电压，并隔离输出模拟信号或数字信号的仪器。
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