它用平衡理论解释了发生红色盲和绿色盲的根本原因。
It explained the basic reason for protanopia and deuteranopia occurrence with the equilibrium theories.
参照色盲网页过滤器，其看起来像是Google.com为红色盲（红绿色盲）服务的。
According to the Colorblind Web Page Filter, above is what Google.com looks like for users with protanopia (red/ green color blindness).
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