| 术语 | switch value |
| 释义 | switch value 开关值 A value (parameter) that controls branching at a particular branchpoint and that is bound before the branchpoint is reached during execution. It is one of the inputs to a logic operation that determines which instruction sequence is followed from the branchpoint. For example, in the statement IF AGEIN GREATER THAN 50 PRINT “PENSION B”, the 50 is a “switch value” . A switch value can also bethe specified value of a flag that is to cause a jump as in IF SWITCHON1 GO TO ERROR3. 控制某一特定分支点的分支的一个值(参数),在程序执行时到达此分支点前该参数 必须赋值。这是一个逻辑操作的输入值之一,由此确定在分支点之后执行哪一个指令序列。 例如,在语句IF AGEIN GREATER THAN 50 PRINT “PENSION B”中，50是一个“开关值”。开关值也可以为引起转移的标志的规定值,就象IF SWITCHON1 GO TO ERROR3语句一样,可以引起转移。 参阅conditional branch instruction, jump。 |
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