Functional and system testing on maintenance releases of the current version of the application.

对当前应用软件版本的维护版本进行功能及系统测试。

youdao

System testing, propaganda and maintenance.

系统的测试与维护研究。

youdao

Finally, the system testing and maintenance.

最后介绍了系统的测试及维护。

youdao

Finally, the system testing and maintenance.

最后介绍了系统的测试及维护。

youdao