Actions are like reusable procedures.
动作就像是可重用的过程。
Although components are reusable in various applications, the static WSDL file can be a limitation because it might be desirable to have additional properties and actions in different situations.
尽管组件可在不同应用程序中重用，但是静态WSDL文件会成为一个瓶颈，因为它可能会对不同的场景要求使用额外的属性和操作。
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