该图显示了针对 IDS 和 DB2 的备份代理，但您不能在同一个机器上同时使用它们。
The figure shows backup agents for both IDS and DB2, but you cannot use both agents on the same machine.
图10显示的数据流与之相同，但该数据流是沿着可选分支而不是并行分支流动的。
Figure 10 shows the same data flow, but now flowing along alternative branches instead of parallel ones.
该图还显示出一系列从场景中识别出的需求，但与后者没有联系。
The figure also shows the list of requirements that have been identified from the scenarios, but with no link to the latter.
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