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把拉维里克(Laverick)微波信号加倍法〔1〕的原理,改用于30兆赫,以绝对的6.0206分贝为档,对工作于30兆赫的衰减测量系统的绝对精度进行校正。
The principle of doubling the Laverick microwave signal [1] was changed to 30 MHz and the absolute accuracy of the attenuation measurement system operating at 30 MHz was corrected with absolute 6.0206 decibels.