But presently we have no concrete prescript in the field. This thesis is trying to solve this problem.

但目前国内尚无相关的具体规定，本文在这些方面做了初步的尝试。

youdao

But presently we have no concrete prescript in the field. This thesis is trying to solve this problem.

但目前国内尚无相关的具体规定，本文在这些方面做了初步的尝试。

youdao