结果：上颌骨良性肿瘤和肿瘤样病变多为类圆形边界清楚的骨质溶解，有硬化边，呈膨胀性生长，无邻近软组织肿块。
Results: Most of the benign tumor and tumor-like diseases in maxillary bone revealed round like, well defined bony destruction with sclerotic rim, expansive growth and no surrounding soft tissue mass.
干的泡沫由多边形的泡泡组成，而底部湿泡沫则都是圆形气泡，因为普拉托边界和顶点都充满了液体。
Dry foams are made of polyhedral bubbles; wet foams, as seen near the bottom, have rounder bubbles because liquid has inflated the Plateau borders and vertices.
围绕着圆形场地的边界将我们同四周隔开.
The boundary around the roundground separates us from the surroundings.
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