您要查找的是不是：
- Concave closure of saddle function 鞍函数的凹闭包
- The railway is under threat of closure. 那条铁路有停止运营的迹象。
- 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
- The closure of the large factory made many workers live in idleness. 那家大工厂倒闭，使许多工人失业。
- concave closure 凹闭包
- Police reported the closure of the road/that the road was closed. 警方宣布那条道路禁止通行。
- 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 was the only one to speak out against the closure of the hospital. 只有他一人直言不讳地表示反对关闭医院。
- Serious lack of circulating fund forced the closure of the company. 公司因严重缺乏流动资金而被迫关闭。
- 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
- A depression similar to that in a shallow concave container for food. 凹形，凹面与浅的凹型盛食物的容器相似的凹处
- The palm of one's hand is slightly concave. 人的手掌是微凹的。
- A concave surface, structure, or line. 凹面、凹形结构、或凹线
- Lack of money forced the closure of the company. 公司因缺钱而被迫关闭。
- The strike forced the closure of the factory. 罢工迫使该厂关闭。
- Concave on both surfaces;biconcave.Used of a lens. 双面均凹进的；双凹的。用于指透镜
- The threat of closure affected the workers' morale. 工厂行将倒闭一事影响着工人的士气.
- Concave on one side and convex on the other. 一面凹进一面凸起的
- Can the school be saved from closure? 能保全这所学校不致关闭吗?
