A logo was designed for food packages certified to contain iodized salt: a red dot and a curved line in a circle, meant to represent a face with a smile so big that the eyes are squeezed shut.
认被证过的含碘盐食品包装上的标志被设计成：一个圆圈中有一个红点和一条弧线。这个代表着一张笑容灿烂得连眼睛都找不到的笑脸。
So in hydrogen atom a, I'll depict that here where the nucleus is this dot, and then the circle is what I'm depicting as the wave function.
在氢原子A里，我在这里把原子核画成一个点，这圆就是波函数。
In other words, the dot and the circle are responding to the robot arm's movements.
换句话说，黑点和圆圈随机器人臂的活动作出反应。
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