单词
convex
读音
ˈkɑːnveks
美式
英式
词根
无
释义
adj. 凸面的，凸出的；凸多边形的 n. 凸面，凸出部分
例句
Because there is no abrasion between the concave and convex, the nut is reusable.
由于凹面与凸面之间没有磨损，螺母可以重复使用。
A small curve in the sliding part of the convex top of the lower nut acts as the wedge.
下螺母凸顶的滑动零件上有一条小弧线充当楔块。
It is locally convex in the sense that it has no loops and the curvature never changes sign.
它的局部是凸的，因为它没有环路，且曲率永远不会改变符号。
Because there is no abrasion between the concave and convex, the nut is reusable.
由于凹面与凸面之间没有磨损，螺母可以重复使用。
A small curve in the sliding part of the convex top of the lower nut acts as the wedge.
下螺母凸顶的滑动零件上有一条小弧线充当楔块。
It is locally convex in the sense that it has no loops and the curvature never changes sign.
它的局部是凸的，因为它没有环路，且曲率永远不会改变符号。
强化记忆
无
看视频学发音
even on a flat piece of paper,our brain reflexively creates the 3D concave or convex shape.Now for that creepy Lincoln upside down face.
Most mammal eyes have a structure called a lens–a transparent, convex structure whose shape refracts light to enable sight.In humans, this lens is curved to process light waves traveling through air.
Unfold that sheet, and there’s a pattern of lines,each of which represents a concave valley fold or a convex mountain fold.Origami artists arrange these folds to create crease patterns,
所属分类
出国,其他
所在词典
