弯月面容器中之静止液体的弯曲上表面，如果液体浸润了容器壁，那么弯曲面呈凹状；如果没有，就呈凸状。
The curved upper surface of a nonturbulent liquid in a container that is concave if the liquid wets the container walls and convex if it does not.
然后进行一系列过滤，保证凸状多边形能保持最小的狭缝宽度。
A series of filters then ensures that convex polygons with peninsulas maintain a minimum isthmus width.
止挡机构还可构形成各自 互锁的成对的环状部和凸状部。
The catch mechanisms may further be configured as respective interlockable pairs of loops and bosses.
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