标准方程
standard equation The equation of an ellipse with center at the origin and axes aligned with the coordinate axes, e.g., $\frac{x^2}{a^2}+\frac{y^2}{b^2}=1$.
CSCA 数学 考试术语
standard equation The equation of an ellipse with center at the origin and axes aligned with the coordinate axes, e.g., $\frac{x^2}{a^2}+\frac{y^2}{b^2}=1$.
CSCA 数学 考试术语