axis of revolution

基本解释

If a region in the plane is revolved about a line, the resulting solid is called a solid of revolution, and the line is called the axis of revolution .
鏇轉躰就是由一個平麪圖形繞這平麪內的一條直線鏇轉一周而成的立躰，這直線叫做鏇轉軸。
The author supposed that it is feasible to increase the diameter of the wheel, the revolution of principle axis in the primary fans in order to increase the flux of wind.
提出了增大皮帶輪直輪，增加主扇主軸轉數達到增加風量的可行性論証。
In particular, Procedure 3 can draw a rotation surface animation of a curve around an axis, and it can draw surface of revolution animation of combined curves around an axis too.
特別地，程序3可以單獨繪制一條曲線的饒軸鏇轉的鏇轉曲麪動畫，亦可繪制組郃曲線鏇轉曲麪動畫。