Visual material aids the retention of information.
直观材料有助于加强记忆。
Provides information on hearing AIDS and tips on protecting a worker's hearing.
网站包括有关助听器的资讯，及保护听觉须知等。
The book provides AIDS for those who are in search of information about.......
该书对寻求……方面知识的人提供帮助。
Teaching aids system is a typical management information system used cases.
教学辅助系统是管理信息系统的一个典型用例。
Teaching aids system is a typical management information system used cases.
教学辅助系统是管理信息系统的一个典型用例。
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