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圆是数学中优美的图形,具有丰富的性质,而点似乎比较孤立,但在处理一些与圆有关的问题时,往往可以将点视为圆,方法更简捷.
Circles are beautiful figures in mathematics and they are rich in nature. Points seem to be isolated, but when dealing with problems related to circles, they can often be regarded as rounds and methods are more simple.