比如这段程序看着就比较舒服：

[x,y,z] = sphere;       % Create a unit sphere.
r = 2;
surf(x*r,y*r,z*r)       % Adjust each dimension and plot.
axis equal              % Use the same scale for each axis.

手动按空格键对齐比较累啊
--
FROM 124.65.244.*