During periods of low demand, jockey pumps are used to meet these lower water flow requirements.
在需求较低的时期，赛马泵用于满足这些较低的水流量要求。
2
Next, we carry on the demand analysis according to the working flow of hospitalized department, the system database design and system function module division.
其次，根据住院部门工作流程进行需求分析、系统数据库的设计和系统功能模块的划分及详细设计。
3
The article introduced the educational administration management information system system analysis part, including feasibility analysis, data flow analysis and demand analysis and so on;