analytic equation的用法和样例：
例句
- It proves that the analytical equation is equivalent to the parametric equation under certain condition.
证明了在一定条件下解析方程与参数方程两种形式的等价性。 - This paper establishes the contour surface equation of a torus cam and presents a pressure angle formula, it provides a simple and efficient method for designing this kind of cams.
建立了环面凸轮轮廓曲面的解析方程，同时给出了压力角计算式，为此种凸轮的设计提供了一种简单有效的方法。
