适合重结晶石英边界分维值的计算方法有封闭折线法和面积周长法。
Two methods of polygon and area_perimeter are applicable to calculate the fractal dimension of dynamically recrystallized quartz grains.
他们发现自己被包围了，而巴黎的面积相当于当时或其他任何时候伦敦的三分之一，但它的周长很大。
They find themselves surrounded, and Paris is one-third the size of London at this same time, or at any other time, but it has a huge circumference.
基于图像处理技术，对爆堆图像进行处理，统计岩块的面积、周长，进而推测岩块的粒度组成。
Image processing technology was used for the muckpile images and the area and the perimeter of rocks were added up so as to infer the size composition of rocks.
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