在瞬态信号与图像的分析中，突变点往往是重要的特征之一，它们常常位于重要结构的边缘部分。
In transient state signal and in image analysis, the point of discontinuity often is one of important characteristics, they are located the edge of the important structure frequently.
分析了石墨微晶结构与成键特征，研究了石墨微晶中边缘碳原子与基平面碳原子的电化学特性。
The electrochemical characteristics of carbon atoms on the edge and basal plane were determined by analyzing structure of graphite crystal and bond of different carbon atoms.
就病变的部位、数目、大小、形状、边缘轮廓、内部结构和密度、骨皮质、骨膜、软组织肿块以及髋关节改变等方面进行了分析。
The following aspects were analysed according to the location, number, size, shape, margin and contour, intralesional structure and density, soft tissue mass, and hip joint change.
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