It goes from the backend system, where the data source resides, to the API connection, to the application server, to the WSP gateways, and then to the handheld units.
它从数据源驻留的后端系统开始，到API连接，到应用程序服务器，到WSP网关，然后到手持单元。
It goes from the backend system, where the data source resides, to the API connection, to the application server, to the WSP gateways, and then to the handheld units.
它从数据源驻留的后端系统开始，到API连接，到应用程序服务器，到WSP网关，然后到手持单元。
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