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对于交流电压多值量具(发生器-校准器)、Φ7090型可编程序校准器以及类似的校准器的研制和计量保证,需要一种在计量特性和使用特性上均比 B1-14型检定装置(1等标准计量
Development and metrology assurance of AC voltage multi-level gauges (Generator-Calibrator), Φ7090 Programmable Calibrator, and similar calibrators requires a more accurate measurement and measurement of performance than the Model B1-14 (1 and other standard measurement