1.
"Single curved moldings include the cavetto (concave, with a quarter-circle profile), scotia (deep concave), flute (grooved),"
单曲线脚包括凹弧饰(具有四分之一圆的轮廓的凹面)、凹形边饰(深凹面)、凹槽饰(开槽的)
2.
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
3.
decorated flutings
用花、叶形状装饰柱面凹槽饰纹
4.
notch on a serrated edge
锯齿形边缘的凹口.
5.
The figure of the moon as it appears in its first or last quarter, with concave and convex edges terminating in points.
蛾眉月月亮在上弦时或下弦时的形状，其凹边和凹边均汇合成点
6.
a polygon with one or more reentrant angles.
有一个或多个凹角的多边形。
7.
a polyhedron some of whose plane sections are concave polygons.
有些平面部分是凹型多边形的多面体。
8.
Research on Number of Triangulation of Concave Polygon
凹多边形三角剖分方法数上界的讨论
9.
Numerical Simulation Study of Performance of Empennage Forming of Liner with Five Concave Arc Margins Cutted
五凹弧切边罩尾翼成形三维模拟研究
10.
A concave surface, structure, or line.
凹面、凹形结构、或凹线
11.
having an uneven outline,edge or surface;jagged
（外形）不规则的;（边缘）锯齿状的;（表面）凹凸不平的
12.
Ulcer edge appears to" roll over" into the defect and is a tough fibrinous ring.
溃疡边缘“翻卷”进入凹陷处，形成一坚硬的纤维环。
13.
Some are flared-that is, thicker at the rim than in the center, like a concave lens.
有些呈喇叭形──即边缘较中心厚，类似凹透镜。
14.
a concave shape in a surface or edge or coastline etc..
在表面或边缘或在海岸线上的凹陷形状。
15.
A polygon convex decomposition algorithm based on partial visible point
基于局部可见点进行的凹多边形凸分解算法
16.
New concave polygon convex decomposition algorithm for rapid prototyping subarea scanning
面向快速制造扫描分区的凹多边形凸分解算法
17.
A convex decomposition algorithm of simple polygon based on its adjacent concave point connection;
基于简单多边形相邻凹点关系的凸剖分算法
18.
Numerical simulation and deforming control of concave curvature flanging in automobile panels
汽车覆盖件内凹圆弧翻边仿真与变形控制研究