Extremely thin appears as a knife-edge;

“非常 薄”，看起来就像一个刀口；

Beer version is a work order requests of structure, size and color level, indentation, rounded, bending, knife edge of the sword.

啤版是否按工单的要求的结构、尺寸、色位制作，压痕线、刀线、是否弯曲变形，刀口的锋利情况。

Universally analyzed and discussed in this paper is the visualization of inhomogeneous phase distribution of phase objects with spatial zero frequency filtering and knife edge filtering method.

对空间滤波法的零频滤波与刀口滤波显示位相型物体的非均匀位相分布进行较为普遍且详尽的分析讨论，并给出一些实验结果。

A sharp knife edge. The knife says.

“口锋要锐利”刀子说。

Tonight's knife-edge vote could be uncomfortably close.

今晚投票的结果很难预料，双方实力可能会很接近，这令人紧张不安。 ꢠ。

Gu moon light knife edge, looking Linshao Xiao color up.

一刀残月淡觚棱，遥杛林梢晓色升。

Out performs outlasts traditional single knife-edge doors.

比传统单刀双簧屏蔽门更加持久的屏蔽效能。

The agricultural merchandisation is a double knife-edge sword.

农业商品化是一把双刃剑。

Life on an isolated Pacific island is eternally poised on a knife-edge.

在太平洋的孤岛上，生命就像悬在刀刃上一样，总是朝不保夕。

The secret of successfully pressed hems is to use very little pressure so that the edge is not flattened to produce a knife edge.

成功熨烫底边的窍门是用很小的压力，这样就不会倒伏而产生一条刃形边缘。