省视了齐沪扬先生已提出的一个空间系统体系，指出很有改进的必要。

It investigated a spatial system proposed by Mr. Qi Huyang, and argued that there is necessity to modify this system.

youdao

省视了齐沪扬先生已提出的一个空间系统体系，指出很有改进的必要。

It investigated a spatial system proposed by Mr. Qi Huyang, and argued that there is necessity to modify this system.

youdao