Using eyes and brain, man can recognize all sorts of characters and images, no matter what disturber and distortion.
人类用眼睛和大脑可以识别各种各样的文字和图像，而不计较它的任何干扰和变形。
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In addition, as the technological process of the factory is changed, the equipment is replaced and the disturber from outside occurred, the vibration also can be caused in the factory building.