距离公式
distance formula The distance between two points $P_1(x_1,y_1,z_1)$ and $P_2(x_2,y_2,z_2)$ is $\sqrt{(x_2-x_1)^2+(y_2-y_1)^2+(z_2-z_1)^2}$.
CSCA 数学 考试术语
distance formula The distance between two points $P_1(x_1,y_1,z_1)$ and $P_2(x_2,y_2,z_2)$ is $\sqrt{(x_2-x_1)^2+(y_2-y_1)^2+(z_2-z_1)^2}$.
CSCA 数学 考试术语