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前面讲的是:在怎样的条件下,两条直线一定平行。综合前面所讲的内容,我们已经很明确地知道:同一个平面内的两条直线,只要具备下列条件之一,这两条直线一定平行——1.如果其中一条上的任意两点到另一条的距离相等。
What I said earlier: Under what conditions, the two lines must be parallel. In the context of the above, we already know very clearly that two straight lines in the same plane must be parallel as long as one of the following conditions is met: 1. If any two points on one of the two lines go to the other The distance of one is equal.