And then, what they did is they made a map of where the particles scattered once they struck the screen.

他们做的是,绘制粒子每次散射位置的图,每当他们撞击屏幕的时候。

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So, I taught myself how to program because I wanted to learn how to draw a map on the screen.

所以，我自学怎样编程，因为我想,学习怎么在屏幕上画一张地图出来。

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