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- A molding for a cornice, having a partly concave and partly convex curve in profile, used especially in classical architecture. 反曲线饰纵断面部分为凹线，部分为凸形的檐口的线脚，尤用在古典建筑中
- A molding for a cornice,having a partly concave and partly convex curve in profile,used especially in classical architecture. 反曲线饰纵断面部分为凹线，部分为凸形的檐口的线脚，尤用在古典建筑中
- This paper tries to generalize the throwing objects from the one dimension pin to the convex curve in two dimension,and even the three dimensional regular tetrahedron and regular hexahedron. 在蒲丰投针问题的基础上,把投掷物由一维的针推广到二维的凸曲线,三维的正四面体、正六面体;
- a molding for a cornice,having a partly concave and partly convex curve in profile,used especially in classical architecture 反曲线饰纵断面部分为凹线，部分为凸形的檐口的线脚，尤用在古典建筑中
- Will be convex curved upward, in the surrounding cotton with stone dressings, and then use a blowtorch or hot gas welding urgency. 将弯曲的凸面朝上，在周围用石棉布包扎，然后用喷灯或气焊急热。
- Just as a double convex lens enlarges, so a double concave lens reduces. 正象双凸透镜可以放大那样，双凹透镜也可以缩小。
- He bears a broad scar across the left side of his chest, a vicious magical burn with an asymmetrical border of conjoined convex curves, like a child's depiction of a cloud. 他左胸口有道又宽又深的伤口，是咒语烧伤的，伤疤坑坑洼洼起伏不平的，就好像小孩画的云片似的形状。
- The profiling error of a new type skiving hob with convex curved rake face is analyzed and the change law of profiling error affected by parameters is expounded. 对新型凸曲前刀面刮削滚刀的理论构形误差进行了全面分析,探讨了各特征参数对构形误差的影响规律。
- Concave on one side and convex on the other. 一面凹进一面凸起的
- Geometrical Properties on Planar Parametric Local Convex Curve 平面参数局部凸曲线的几何性质
- Convex on one side and concave on the other. 凸凹的一面凸一面凹的
- To the excellent concave and convex carving skill. 碑上的阴阳刻。
- Fault: Convex or concave muzzles. 缺陷：突起或凹入的口部。
- His figure looks very funny in the concave mirror. 他的样子在凹镜里显得非常可笑。
- An indented or concave surface or area. 凹陷，洼地凹的表面或地区
- SOME REMARKS ABOUT THE AREA-PRESERVING CONVEX CURVE FLOW IN THE PLANE 保面积平面凸曲线流的若干注记
- Something having concave and convex edges terminating in points. 新月形物凹边和凹边汇合成点的物体
- The falling star described a long curve in the sky. 流星在空中画出了一道长长的弧线。
- A line segment that joins two points on a curve. 弦将两点用曲线连接起来的曲线段
- His spine developed a slight curve. 他的脊柱有点弯曲。
