quartic equation

例句：

1. 1. The quartic equation is a complex mathematical problem thatrequires advanced knowledge of calculus.
   四次方程是一个复杂的数学问题，需要高级的微积分知识。
2. 2.In physics, thequartic equation describes the behaviorof matter under extreme conditions.
   在物理学中，四次方程描述了物质在极端条件下的行为。
3. 3.The quartic equation has been usedto model the behavior of many chemical reactions.
   四次方程已经被用来模拟许多化学反应的行为。