subroutine procedure

例句：

1. 1. The program uses a subroutine to handle user input.
   该程序使用一个子例程来处理用户输入。
2. 2.Subroutines are often used in complex algorithms to break down tasks into smaller, more manageable parts.
   子例程通常用于复杂的算法中，将任务分解为更小、更易于管理的部分。
3. 3.In this example, the subroutine is responsible for executing the main algorithm and handling any errors that may occur during execution.
   在这个例子中，子例程负责执行主算法并处理在执行过程中可能出现的任何错误。