知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。 知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。 d : the automated adjustment of the attention for looking at at different distances effected mainly by modifications within the convexity in the crystalline lens also : the range more than which these types of adjustment can be done 知乎，让每一次点击都... https://robinsono926ibu3.westexwiki.com/user