calculus of common bile duct

例句：

1. 1. The calculus of common bile duct is a crucial part of understanding the functioning of the liver.
   共同胆管的微积分是理解肝脏功能的关键部分。
2. 2. In mathematics, the calculus is used to solve problems involving rates and changes over time.
   在数学中，微积分用于解决涉及速率和随时间变化的问题。
3. 3. The calculus is often used in engineering to calculate the forces acting on structures.
   微积分在工程中常用来计算作用于结构上的力。