英语语法分析

It explained the basic reason for protanopia and deuteranopia occurrence with the equilibrium theories.

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 of protanopia and deuteranopia occurrence with the equilibrium theories.

并以第一色盲、第二色盲为例，阐述色盲现象产生的根本原因。

According to the Colorblind Web Page Filter, above is what Google.com looks like for users with protanopia (red/ green color blindness).

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。