This decrease is principally the result of a reduction in visual impairment from infectious diseases through concerted public health action.

之所以减少，主要是因为采取协调一致的公共卫生行动后，由传染病引起的视力损害减少了。

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And visual management as a management means, can make the enterprise crew error reduction, easily conduct various kinds of management work.

而目视管理作为一种管理手段，能使企业全体人员减少差错、轻松地进行各种管理工作。

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Visual fatigue and the reduction of work capacity appeared also.

还发现有显著的视疲劳与作业能力下降。

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It strikes a balance of innovation and intuition offering a variety of improvements and features such as support for multiple homescreens, visual multitasking, gesture-based interactions and a noticeable reduction in prompts -- all while presenting a familiarity that means millions of people can pick up one of Nokia's new smartphones and instantly know how to use it.

ENGADGET: Nokia announces new C6 and C7 Symbian^3 handsets with 8 megapixel cameras, 720p video