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- Then, electroforming the ellipsoid was used to form a concave mold. 将椭圆光阻透镜进行微电铸，电铸成分为镍。
- A concave molding with a cross section that approximates a quarter circle. 飞檐的凹圆线脚截面近于九十度弧的凹线脚
- 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。
- Today's wiped intended as a concave mold, used to suppress the molding clay reliefs. 如今的擦擦意为一种凹形模具，用来压制出成型的泥塑浮雕。
- Function's convex concave and inflection point 曲线的凹凸与拐点
- A concave molding. 凹圆形凹陷的线脚
- Combined Pre-strain Concave Mold 预应力组合凹模
- 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
- He is cast in his father's mold. 他长得和他父亲一模一样。
- 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
- Many wild flowers grow in the forest mold. 森林里的松软沃土上长著许多野花。
- Women of her mold are easy to see through. 她那种性格的女人是很容易看穿的。
- His figure looks very funny in the concave mirror. 他的样子在凹镜里显得非常可笑。
- We need more people of his mold. 我们需要更多他那种类型的人。
- The stone steps were covered with mold and ulcers. 石头台阶被霉和腐烂物覆盖着。
- An indented or concave surface or area. 凹陷，洼地凹的表面或地区
