teaching-aided methods

• 教学辅助手段

teaching-aided methods的用法和样例：

例句

1. The database could be used as a teaching resource in colleges.
   数据库可以用作大学里的一种教学辅助手段。
2. The wall charts are original in design with a distinctive voicing function that is a successful breakthrough in Chinese teaching methodological aids.
   挂图形式新颖，具有独特的发声功能，是汉语教学辅助手段的一次成功突破。