physical and chemical working的意思|示意

Various technologies were compared and analyzed by the working principle and the physical and chemical properties of the obtained thin films.

从工作原理和获得薄膜的物理化学性能等各方面，对这些技术进行了分析和比较。

Objective study the characteristics and working mechanism of receivers cell immunity towards heterogeneous tendon grafting which have been treated with different physical or chemical means.

目的研究不同理化方法处理后的异种肌腱移植，对受体的细胞免疫特点及其机理。