用快速傅里叶转换（FFT）技术分析了图形视网膜电图（PERG）的空间和时间调谐特性。

Spatial and temporal frequency tuning characteristics of the pattern electroretinogram (PERG) were analysed by means of the fast Fourier transform (FFT)technique.

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空间和时间调谐特性存在一定的相关。

Spatial and temp-oral frequency tuning characteristics were found to be somehow correlated.

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