closed subroutine

• 闭型子程序； 闭合子程序

closed subroutine的用法和样例：

例句

1. The call subroutine is used for this sentence.
   这个语句是用来调用子程序。
2. If your program is a subroutine library, you may.
   如果你的程序是一个子程序库。