To achieve a virtual experiment teaching, the design and research of virtual instruments is essential.

要实现虚拟实验教学，虚拟实验器件的设计与研究是必不可少的。

youdao

To achieve a virtual experiment teaching, the design and research of virtual instruments is essential.

要实现虚拟实验教学，虚拟实验器件的设计与研究是必不可少的。

youdao