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在解析几何中,有几类直线系方程的作用巨大,应用它们的统一方程可达到解题中减少未知数﹑简化计算或方法独到简便等作用。
In analytical geometry, there are several types of linear equations that play a huge role, and the application of their unified equations can solve the problem by reducing the number of unknowns, simplifying the calculation, or the method is simple and so on.