primitive material meaning in English
原始物质
Examples
- Air , rock and water were the only materials available on the early earth . the first life form must have been produced ( or created ) from these primitive materials
最近有些实验结果显示，矿物，这种岩石的基本成分，在形成生命的奇妙过程中，可能扮演举足轻重的角色。 - The ablation process in oxygen - riched condition was explored and a physical model was established . electron microscope scanning showed that thermal insulation would form three layers during ablation , namely , primitive material layer , pyrolytic layer and charred layer
在实验基础上对富氧烧蚀过程进行了分析，建立了富氧条件下以基体层、热解层、炭化层三层结构为基础的烧蚀物理模型。