As explained in Access patterns for service Creation scenario, the main difference between indirect and direct exposure is the inclusion of a service component layer.
正如服务创建场景的访问模式中所述，间接公开和直接公开的区别在于其中包含了服务组件层。
This is the lowest component layer of the Internet protocols, as TCP/IP is designed to be hardware independent.
它在网络协议中是最低级的层次成分，而TCP/IP协议是与硬件无关的。
This is the lowest component layer of the Internet protocols, as TCP/IP is designed to be hardware independent.
它在网络协议中是最低级的层次成分，而TCP/IP协议是与硬件无关的。
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