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- The characteristic of the contact action is deeply investigated, and with an exemple of convex concave joints in one pontoon bridge, two kinds of contact finite element model are established. 深入考察接触行为的特点,并以舟桥纵向连接件丙丁接头为例,建立了两种接触计算模型。
- Function's convex concave and inflection point 曲线的凹凸与拐点
- 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。
- Concave on one side and convex on the other. 一面凹进一面凸起的
- 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。
- 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
- 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
- concave vertex method 凹点法
- A convex surface, body, part, or line. 凸面、凸面体、凸面部分或凸线
- Draws a single, convex polygon. Vertices 1 through N define this polygon. 画一个凸多边形。顶点1到n定义一个多边形。
- Nutlets veined, one side convex, other side concave. 小坚果脉，一边凸，其他的边凹。
- Situated at the vertex or highest point; directly overhead. 顶点的在顶点或者最高点的; 头的正上方的
- convex concave lens 凸凹透镜
- Polyhedra with seven vertices are rare. 具有七个顶点的多面体是稀少的。
- Adjoin two new vertices X and Y to N. 在N中添加两个新顶点X和Y。
- convex concave programming 凸凹规划
- Let u and v be nonconsecutive vertices on c. 设u和v是c上不相邻的两个顶点。
