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曾有人做过这样一个实验: 在一个安置着银幕的大厅中,坐着8个人。先在银幕的左边,放映出一条任意长短的线,然后在右边放映出另外三条(其中一条与刚
There had been an experiment in which eight people sat in a hall with a screen. First on the left side of the screen, showing a random length of the line, and then on the right show the other three (one of them just