According to the model, limen of logarithm loudness is independent of intensity.

这个模型认为，响度对数的辨别阈不随信号强度变化。

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Results: The values of distinguished limen in both right or middle visual fields in CERD group were significantly lower than in the control group(P<0.001);

结果：①障碍组中视野和右视野的辨别阈限值明显低于对照组（P<0.001）；

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Results: The values of distinguished limen in both right or middle visual fields in CERD group were significantly lower than in the control group(P<0.001);

结果：①障碍组中视野和右视野的辨别阈限值明显低于对照组（P<0.001）；

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