spherical sailing calculation

例句：

1. 1. Thespherical sailing calculation is crucial forthe navigation of ships.
   球面航行计算对于船舶的导航至关重要。
2. 2. The spherical sailing calculation wasused to optimize the ship's speed and efficiency.
   球面航行计算被用来优化船只的速度和效率。
3. 3. Thespherical sailing calculation is a complexprocess that requires expertise in mathematicsand physics.
   球面航行计算是一个复杂的过程，需要数学和物理学的专业知识。