...已十分粗糙了，但附着力却仍然很差，细查原因才发现所呈现的是巨粗糙(Macro-Roughness)，而非真正需要的微粗糙(Micro-Roughness)，铜面附着力所迫切需要者即为微粗糙。此种真相只能在SEM电镜的放大2000倍下才能见到，且经常还需放大到5000倍才更清楚。
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A method for detecting surface roughness by using micro imaging has been introduced.
介绍了用显微成像检测表面粗糙度的方法。
Application in ultrasonic rang in solid and liquid is in industry production very widespread, especially in micro-rang and short-rang, for example, thickness, roughness, liquid level.
在工业生产中，利用超声波进行固体或液体中的距离测量十分普遍，尤其是小距离、微距离测量（如测厚、粗糙度、液位等）。
Based on the experimental results, complex blade cathodes are produced successfully. Both micro hardness and surface roughness of the complex parts are improved significantly.
以此为基础，成功制备了复杂型面叶片阴极，其显微硬度和表面粗糙度都得到了明显改善。
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