沿平面 meaning in English
on a plane
Examples
it is usually convenient to replace δs by its components δs1 and δs2 parallel to any two perpendicular axes ox, oy in the plane. 通常用它的分量s1和s2来代替s较为方便，它们分别沿平面内的ox，oy两个正交的轴线的方向。 - < uk > it is usually convenient to replace s by its components s1 and s2 parallel to any two perpendicular axes ox , oy in the plane . < / uk >
< uk >通常用它的分量s1和s2来代替s较为方便，它们分别沿平面内的ox ， oy两个正交的轴线的方向。 < / uk >