The influences of geometrical parameters on low specific pump head should be emphasized on comprehensive influence.

低比转速泵几何参数对扬程的影响，应当侧重于综合影响的研究。

youdao

In a visual environment, the characters of transformative head surface were parametrically drown out and a standard geometrical model of head was established based on the spring mass system.

在虚拟环境中，对人体头部变形曲面提取特征并参数化，建立基于弹簧质点系统的标准几何模型；

youdao