方程式的

例句：

1. 1. The equation of motion states that the acceleration is directly proportional to the force applied.
   动量方程表明，加速度与施加的力成正比。
2. 2.In physics, the equation of electromagnetic induction describes the relationship between electric and magnetic fields.
   在物理学中，电磁感应方程描述了电场和磁场之间的关系。
3. 3.The equation for the area of a circle is πr², where r is the radius of the circle.
   圆的面积公式是πr²，其中r是圆的半径。