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在解析几何中有许多非常优美的性质．这些性质都是二次曲线所固有的．在我们惊讶数学美的同时,应当及时总结,善于发现解析几何中优美的几何性质,以提高自己的解题能力．
There are many very elegant properties in analytic geometry. These properties are inherent to the quadratic curve. While we are surprised at the beauty of mathematics, we should summarize it in a timely manner and be good at discovering the beautiful geometrical properties in analytical geometry in order to improve our ability to solve problems.