By using the methods of measurements mathematical statistics and logical analysis, this paper makes comparative study on standard-vision and skin-vision of race walking judge.

采用测量、概率统计和逻辑思维方法等对竞走裁判员与一般人的肤视力和标准视力进行了比较研究。

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It contains good amounts of B Vitamins, Vitamin A, iron and riboflavin all which are essential nutrients for immunity, healthy skin, nerves and vision.

它也含有十分丰富的维生素B族，维生素A，铁和核黄素，这些都是影响免疫力，皮肤健康，神经和视力的基本营养素。

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We now know tomatoes not only reduce the risk of certain cancers, but can improve your vision, skin, and brain.

现在我们知道，西红柿不仅能降低罹患一些癌症的危险，还能改善视力，养颜美肤和避免大脑老化。

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