For instance, if a variable in a FORTRAN subroutine needs to bereinitialized each time the subroutine is called, it must beinitialized with an assignment statement rather than a DATA statement.

• 例如，如果某FORTRAN子模块中某个变量在被调用时均需要被初始化，此事它必须使用赋值语句初始化而不是DATA语句。