81628理解是对的。看看下面这段话,应该就理解了。 xAQ=oF
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map count - The count determines the resolution of the display on the irradiance map. The count value is the number of pixels in the irradiance map in both the horizontal and vertical directions. TracePro displays a square irradiance map and square pixels. When Smoothing is enabled the map count is used to control the degree of smoothing applied to the data.