Combining multimedia editorial tool with the homepage technology makes network issue and the maintenance of multimedia courseware more convenient.

多媒体编著工具与网页技术的结合，使多媒体课件的网络发布与维护更为方便。

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Second, mute oil free compressor maintenance is the use of more oil air compressor is more convenient and simple.

其次，静音无油空压机的使用维护也较有油空压机更为方便简单。

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Design and realize flexible user authority management. Design and realize powerful super administrator function, make the maintenance and management of the whole OLRS system more convenient.

设计和实现了强大的超级系统管理员功能，包括安全灵活的用户权限管理，使得对整个OLRS系统的维护和管理变得更加方便。

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