I wouldn't say your stomach was big — it's just slightly convex.我不会说你的肚子大——它只是有点凸出.Its convex border should project far into the right lower lung field.其凸出缘应深深地突入右下肺野内.A convex lens is used to concentrate rays ...
In adults its contour may be straight, slightly concave or slightly convex.成人肺其形状可以是直的, 轻微凹下或轻度突出.A convex lens is used to concentrate rays of light.凸透镜用于聚集光线.Convex analysis, Lagrangian relaxation, non differentiable op...