一个平面通过一条直线,是指这条直线在平面内还是指平面和直线只有一个交点,为什么?求大神指教? 知乎 Template




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tomski一个平面通过一条直线,是指这条直线在平面内还是指平面和直线只有一个交点,为什么?求大神指教? 知乎 coloring