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focal length
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do you short sightedness , if we wear a glass that make the focal lenght of lens just like we are looking far , but instead we are looking near , is the problems short sightedness not longer exist , where to buy this kind of lens知道，我不是眼科医生/验光师也不是学Optik的。
而且对这些也没有兴趣= =哈哈。 |
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楼主 |
发表于 17-4-2015 05:08 PM
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constantly change the focal length of our eye lens , we are loking near for long time , but we just change focal length tjust like looking far , do you learn these in physics , ho to change focal point of light , 知道，我不是眼科医生/验光师也不是学Optik的。
而且对这些也没有兴趣= =哈哈。 |
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发表于 17-4-2015 05:10 PM
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什么兰 |
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发表于 17-4-2015 05:14 PM
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什么淋雨的棍？ |
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发表于 17-4-2015 05:19 PM
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什么兰 |
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发表于 17-4-2015 05:43 PM
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 可以写些人类语言吗？ |
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发表于 17-4-2015 05:43 PM
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发表于 17-4-2015 06:45 PM
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什么来的  |
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发表于 19-4-2015 04:41 PM
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可以说人听懂的话吗？？ |
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