The system performance history mainly includes the backstage database the establishment and the maintenance as well as front ends the application procedure development two aspects.
系统的开发过程主要包括后台数据库的建立和维护以及前端应用程序的开发两个方面。
The theme of "grieving over spring" mainly includes two aspects: One is expressing the grief over the turbulent period.
其中的“伤春”主题大致有两方面的内容，有的旨在抒写时代哀感，有的重在表现身世之悲。
The theme of "grieving over spring" mainly includes two aspects: One is expressing the grief over the turbulent period.
其中的“伤春”主题大致有两方面的内容，有的旨在抒写时代哀感，有的重在表现身世之悲。
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