所行使的路程÷车轮转数=车轮的直径（一定）所以所行使的路程和车轮转数成正比例。

Exercised by 'present wheel revolutions = the diameter of the wheel (certain) so the exercise of the journey and wheel revolution into a direct ratio.

youdao

所行使的路程÷车轮转数=车轮的直径（一定）所以所行使的路程和车轮转数成正比例。

Exercised by 'present wheel revolutions = the diameter of the wheel (certain) so the exercise of the journey and wheel revolution into a direct ratio.

youdao