If the client invokes a web service with the IN-ONLY operation, then the sequence of invocations in both RM Source and RM Destination will be subsets of the sequences, as shown in Figure 7 above.

如果客户机使用in - ONLY操作调用Web服务，则RM Source和RM Destination中的调用序列都将为图7中所示的序列的子集。

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