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术语 subroutine
释义 subroutine
子程序,子例行程序;[次常式]
1. A sequenced set of statements that may be used in one or more computer programs and at one or more points in a computer program.
一种有序的语句集合,可用于一个或多个计算机程序中,又可用于一个计算机程序的一处或多处。
2. A routine that can be part of another routine.
一种可以是另一例程的一部分的例行程序。
3. Usually called a closed subroutine. One to which control may be transferred from a master routine, and which returns control to the master routine at the conclusion of the subroutine.
通常称为封闭子例程。可以从主例行程序把控制权转移给它,并在子程序结束时又把控制权送回主例行程序。
4. Refers to either part of a master program or routine that may be “jumped” or “branched” to or to an independent program in itself but usually of smaller size or importance.
可以“转移”或“分支”到的主程序或主例行程序中的一部分,或者是它本身中的一个独立程序, 但通常这个独立程序是长度较小或是重要的程序。
5. In PL/1, a procedure that is invoked by a CALL statement or CALL option. A subroutine cannot return a value to the invoking block, but it can alter the value of variables.
在PL/1语言中,由CALL语句或CALL任选项调用的过程。子例行程序不能将值送回到调用块,但它能修改变量值。
参阅closed subroutine, dynamic subroutine, open subroutine, reentrant subroutine。
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