calculus of prepuce

例句：

1. 1. The calculus of prepuce is a crucial part of the surgical procedure.
   包皮的计算是外科手术的关键部分。
2. 2.The calculus of prepuce can be used to predict the success rate of the surgery.
   包皮的计算可以用来预测手术的成功率。
3. 3. The calculus of prepuce is an important factor in determining the patient's recovery time.
   包皮的计算是确定患者恢复时间的重要因素。