求翻译：这些平台都已进入实用阶段，并取得了较好的效果。但从功能的完备性和系统的稳定性而言，国内的网络教学平台相对相对于WebCT等大型平台还有相当大的差距。是什么意思？

These platforms have entered the practical stage, and achieved good results. However, the completeness of functionality and stability of the system, the domestic network teaching platform is relatively large relative to the WebCT platform, there is a considerable gap.

正在翻译，请等待...

These platforms all entered the practical stage, and has obtained the good effect.But says from function completeness and the system stability, the domestic network teaching platform relative phase and so on the large-scale platform also has the quite big disparity regarding WebCT.

These platforms have entered the practical stage, and has achieved good results. But from a functional completeness and stability of the system, domestic network teaching platform relative compared to large platforms such as WebCT is still a relatively large gap.

These platforms have entered the practical stage, and has achieved good results. But from a functional completeness and stability of the system, domestic network teaching platform relative compared to large platforms such as WebCT is still a relatively large gap.