本文简要阐述了等高线植物篱的基本概念、类型及主要科学问题；

This paper discusses some principal issues in the development of the technology.

youdao

本文简要阐述了等高线植物篱的基本概念、类型及主要科学问题；

This paper discusses some principal issues in the development of the technology.

youdao