hyperbolic sine

例句：

1. 1. The equation describes the motion of a particle in a gravitational field with a constant acceleration.
   这个方程描述了在重力场中具有恒定加速度的粒子的运动。
2. 2. In this case, the hyperbolic sine function is used to model the distribution of particles in space.
   在这种情况下，双曲正弦函数被用来模拟空间中粒子的分布。
3. 3.The hyperbolic sine function has applications in areas such as fluid dynamics and electromagnetic theory.
   双曲正弦函数在流体动力学和电磁理论等领域有应用。