We already had too many dif­ferent frameworks to try to meet.

要知道我们已经有太多不同的框架需要去满足了。

Methods: To compare two similar classes in dif ferent teaching way.

方法: 通过在两个平行班级应用同样内容的电化教学媒体但采用不同的运用方法的教学效果的比较.