Oil smoothes the water surface, making it a better mirror: more sunlight is reflected back to the observer (the satellite) at the same angle as the incoming sunlight (right).
油污使水面变得平滑，让它更接近于一面镜子：更多的入射日光被反射回处于同一角度的观测器（卫星）。
Symmetrical logo are formed symmetrically form the left and right Angle creating a mirror effect therefore, what you will be seeing on the left will be identical with the right.
对称logo以左右对称的形状营造出一种镜像效果，你在左半部分所见与右半部分如出一辙。
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