并对系统功能、数据交换流程作了进一步的研究，最后通过系统用例分析，明确了系统管理及数据传输的过程。

And system functions, data exchange process further, the final system through the use-case analysis, a clear system management and data transmission.

youdao

并对系统功能、数据交换流程作了进一步的研究，最后通过系统用例分析，明确了系统管理及数据传输的过程。

And system functions, data exchange process further, the final system through the use-case analysis, a clear system management and data transmission.

youdao