It is an amorphous surface after the catalytic that is basically in the flat state, with lubrication, so the friction coefficient is small, good non-adhesion function.
经催化处理后的表面是一种非晶态，即处于基本平面状态，有润滑性，因此磨擦系数小，非粘着性好。
It is an amorphous surface after the catalyticthat is basically in the flat state, with lubrication, so the frictioncoefficient is small, good non-adhesion function.
经催化处理后的表面是一种非晶态，即处于基本平面状态，有润滑性，因此磨擦系数小，非粘着性好。
Exploitation flat roof exploitation tool and user's requirement analysis are introduced firstly, mainly including function and non-function requirement analysis.
本文首先介绍了开发平台、开发工具，并进行了用户的需求分析，主要包括功能需求分析和非功能需求分析。
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