屈光不正是一种非常常见的眼部疾病，使眼睛无法对外界物体清晰地聚焦，而导致视力模糊，严重的时候可以引起视力损害。
It occurs when the eye cannot clearly focus the images from the outside world. The result of refractive errors is blurred vision, which is sometimes so severe that it causes visual impairment.
远视在某种程度上则相反，是较正常短些的眼球前后径或者太平坦的角膜使光线聚焦于视网膜后而不是之上，这导致近景视觉模糊和有时的远景视觉模糊;
Farsightedness is the opposite, in a way: A shorter-than-average eyeball or too-flat cornea focuses light behind the retina instead of on it, making near vision and sometimes distant vision blurry.
当你试图看到气场的其他部分时，坚持模糊的视线而不是专注的聚焦。
When you try to look at other parts of the aura you should do so by maintaining your blurry sight rather than a focused sight.
然后考虑景深深浅让背景聚焦清晰或模糊虚化。
Consider whether you want the background in focus or nice and blurry.
这是因为图像可能有不同的模糊边缘宽度（景深）和在该中心通常有需要聚焦的被摄物体。
This is because an image can have a varying Blur Width (depth of field) and the subject which is to be in focus is usually in the center.
研究人员认为阳光和眼睛的发育密不可分，它让眼睛聚焦变难，看远处的物体也比较模糊。
It's thought sunshine interferes with the delicate development of the eye - making focusing difficult and distant objects appear blurred.
以镜头系统造成图像模糊的原理为基础，对常用的自动聚焦评价函数和搜索策略了进行论述。
The sharpness evaluation function of auto focus and search tactic was discussed based on the principle how blurred by the lens system in the chapter of the auto focus algorithms.
同时通过近似计算给出了由于加速间隙电压波动引起束聚焦焦斑模糊范围增大的上限值。
The upper limit values of blurred area coverage of focal spot caused by the fluctuation of accelerating gap voltage are also calculated using a approximate method.
这就意味着你可以在一秒钟内连续拍摄十张聚焦完美的照片，且录制绝不会模糊的高清视频。
That means you can shoot up to 10 perfectly focused photos a second and record HD video that never goes blurry.
相机和目标之间的相对运动、相机聚焦不好、大气扰动和其他原因，都可能引起图像模糊。
Blur may be introduced by relative motion between a camera and the object, by a camera that is out of focus, and the other factors.
相机和目标之间的相对运动、相机聚焦不好、大气扰动和其他原因，都可能引起图像模糊。
Blur may be introduced by relative motion between a camera and the object, by a camera that is out of focus, and the other factors.
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