小提示欣赏到此处,咱们稍作休息,来玩一个小游戏。观察右边这两幅图,你能看出它们有何不同?哪一幅才是正确的吗?当然是左图为正图喽,而右图的鸭子是倒置的!如果你不细心观察还真发现不了呢!以画面中部的白色水纹为分界,上半部为真实景物,下半部为水中倒影。一般说来,我们看到的倒影都是虚幻的、由于光的折射带有变形的,而这幅 Tips to enjoy here, we take a break to play a small game. Observe the two pictures on the right. Can you see how they are different? Which one is correct? Of course, the picture on the left is a picture and the duck on the right is inverted! If you do not observe it carefully Can not find it! In the middle of the screen as a demarcation of white water, the upper half of the real scene, the lower half of the water reflection. In general, the reflections we see are illusions, because of the distortion of light’s refraction, and this one