free field reciprocity calibration

例句：

1. 1.The free field reciprocity calibration is crucial for the accuracy of the measurement results.
   自由场互易律校准对于测量结果的准确性至关重要。
2. 2. In this study, we used the free field reciprocity calibration to improve the accuracy of our measurements.
   在这项研究中，我们使用自由场互易律校准来提高我们测量的准确性。
3. 3.The free field reciprocity calibration method has been widely adopted in various fields due to its high precision and reliability.
   由于其高精度和可靠性，自由场互易律校准方法已被广泛应用于各个领域。