阴影对于视频跟踪系统是一种严重的干扰，尤其是在一些测定目标尺寸的应用中，因此对阴影处理的研究是一项很有意义的工作。
Shadow has great impact on visual tracking system, especially in some applications that need to measure the size of the object. It is a meaningful job to deal with shadow.
结果表明，视频显微镜法比后两者较为方便和快捷，精确度高，并适合小块布样分析中对纱的细度测定。
The result show that video microscopy is more convenient, shortcut and accurate than microscopy and projection. It is suitable for measuring yarn diameter in small fabric sample analysis.
用扫描电子显微镜和视频变焦显微镜观察了改性烟用聚丙烯纤维的形态结构，用纤维表面动态张力仪测定了其对水的接触角。
The morphological structure was observed by scanning electron microscope and video-zoom microscope, and the contact angle to water was determined by dynamic tension meter.
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