In recent years, the development of sensitive and accurate measuring equipment has made it possible to measure the acuity of hearing of any individual at different frequencies.
近年来研制出了一些灵敏而精确的测量设备，因而有可能测出一个人在不同频率下的听力。
In recent years, the development of sensitive and accurate measuring equipment has made it possible to measure the acuity of hearing of any individual at different frequencies.
近年来研制出了一些灵敏而精确的测量设备，因而有可能测出一个人在不同频率下的听力。
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