在指向某块(block)语句列表(statement list)中第一句语句(如果语句列表为空(empty)则指向该块结束点)的控制转移上 v 的明确赋值状态与语句、checked 或 unchecked 语句之...
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If a label value equals expression, execute its accompanying statement list.
如果标记的值等于表达式,则执行其相伴的语句列表。
If the condition evaluates to TRUE, the statement list is executed, then control resumes at the top of the loop.
如果条件的求值结果为TRUE,那么就将执行语句列表,在循环的顶部恢复控制。
The "write down" programme was to make the instruction programme of statement list written down into the random of subscriber programme of PLC processor.
“写出”程序是将计算机内的指令语句表程序写出至PLC主机的用户程序存储器。
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