It allows an RA to submit work to the application server for execution.

它允许RA向应用程序服务器提交工作，以便于执行。

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SPML request response protocol covers how various SPML components talk to each other — primarily the client (RA) and the server (PSP).

SPML请求应答协议涉及到不同的SPML部分如何互相对话，主要是客户机(RA)和服务器(psp)。

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This RA instance is configured to access the message broker located at the server.

这个ra实例被配置成可以访问服务器端的消息代理。

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