procedure prologue

• 程序开端

procedure prologue的用法和样例：

例句

1. The study is a first step toward consolidating nationwide research on the short and long term effects of this procedure on morbidly obese adolescents.
   这项研究是巩固对该手术应用于过度肥胖青少年短期和长期疗效的全美研究的一个开端。