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直线的参数方程是解析几何中参数方程的学习重点,也是新课程实验教材中新增的一个内容,它为直线方程的学习注入了新的活力.由于参数的变化性和灵活性,也使直线
Linear parametric equations are the learning focus of parametric equations in analytical geometry. They are also a new addition to the new curriculum experiment textbooks. They inject new vitality into the learning of linear equations. Due to the variability and flexibility of the parameters, they also make straight lines.