而堆栈则包含要执行的指令。

Stack contains instructions to be executed.

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如果堆栈帧处于活动状态，则此地址是要执行的下一条指令。

If the stack frame is active, this address is the next instruction to execute.

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如果堆栈帧处于活动状态，则此地址是要执行的下一条指令。

If the stack frame is active, this address is the next instruction to execute.

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