Add more channel extensions honored by RSS 2.0 specifications that suits your organization or identify URLs that specify information when the search site is under maintenance.

添加更多由适合您的组织的RSS 2.0规范提出的通道扩展，或者识别url用于在维护搜索站点时指定信息。

youdao

Abstract: : the author in this paper focuses on the concrete seepage channel maintenance techniques.

摘要：笔者在文中重点介绍了混凝土防渗渠道维修技术。

youdao

Through the investigation on the natural status of Heilongjiang upriver channel research is made on the relations between the channel maintenance and economic, and given the measures.

通过对黑龙江上游航道自然状况调查，分析航道维护与经济的关系，并提出黑龙江上游航道维护措施。

youdao

They occupy otherwise unused space in a control channel used for network maintenance.

FORBES: No, It Does Not Cost 1/1000th Of A Penny To Send A Text Message