Therefore, the description should attempt to describe aspects about the service that can't be determined from the input and output parameters of the service.
因此，描述应该尝试介绍不能通过服务的输入和输出参数确定的各个方面。
Optionally, inspect the XPath expressions specified in the Description columns of the input and output links.
可以选择检查输入和输出链接的description列中指定的XPath表达式。
The description also shows which output of the source portlet connects to which input of the target portlet, in parentheses.
描述内容还在圆括号中显示了源portlet的哪一个输出连接到目标Portlet的哪一个输入。
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