离心率
eccentricity A measure of how elongated an ellipse is, denoted by $e$, where $0 < e < 1$, calculated as $e = \frac{c}{a}$.
CSCA 数学 考试术语
eccentricity A measure of how elongated an ellipse is, denoted by $e$, where $0 < e < 1$, calculated as $e = \frac{c}{a}$.
CSCA 数学 考试术语