本研究也存在一些不足之处。
However, there are three major limitations to the present study.
本研究虽然取得了一定的成果，但是也存在一些不足之处。
Though our research has got certain results, there is also some deficiency.
现阶段的网络教学中为学习者提供学习导航服务在赋予网络教学巨大优势的同时也不可避免地存在着一些不足之处，尤其是在个性化的导航方面。
There are huge advantages for network teaching to provide navigation service. But some deficiencies inevitably existed at the same time, especially on the aspect of individualized navigation.
应用推荐