与此同时，尽管在理论研究和工程技术方面已具备了较高的水平，但仍然存在诸多需要完善和改进的地方。

At the same time, the level of theoretical research and engineering technology is high, but there are still a lot of areas need to refine and improve.

youdao

尽管话语标记语在交流中很重要，我国在这方面的研究却没有其他国家完善。

Discourse markers are very important in communication. However, the study of DMs in China is not as extensive as that in other countries.

youdao