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目前,学生对“三线八角”中的同位角、内错角、同旁内角的辨认时常会出现错误。在教学过程中体会到几种简易识别的方法供初学者参考。
At present, the students of the “three-wire” in the same angle, the wrong angle, with the identification of the inner corner often mistakes. In the teaching process to recognize several simple methods for beginners for reference.