And its calibration method study took that of the whiteness meter as reference.
参考白度计的校准方法对铅芯浓度仪的校准方法进行了研究。
You can use the Reference Pitch and Calibration functions to tune your instrument.
您可以使用参考音及校正功能来调整你的乐器。
You can use the Reference Pitch and Calibration functions to tune your instrument.
您可以使用参考音及校正功能来调整你的乐器。
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