A wire is simply a connection in the assembly diagram that indicates which reference is connected to which component.
连线是指组装图中的连接，表示某个引用被连接到某个组件。
They will be deleted for you when you drop your client reference to them, and they are not connected to a data graph.
当丢弃对其的客户机引用且未连接到数据图时，会将其自动删除。
The StoreShoppingCart contains a reference, but notice that it is not connected to any service in this composite.
StoreShoppingCart 包含引用，但是请注意它不连接到此组合中的任何服务。
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