使用一个服务名作为输入从客户端应用程序接收一个请求。
Receive a request from the client application with a service name as the input.
如果外部客户端需要控制某些应用程序处理，异步接收将特别有用。
Asynchronous receive can be particularly useful if the external client needs to control some application processing.
服务器端口仍然可以接收来自其他应用程序的客户端连接，如图中黑色圆圈和短划线所示。
The server port is still available to receive further client connections from other applications, as indicated by the black circle and dashed line.
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