knife edge

英 [ˈnaɪf edʒ]

美 [ˈnaɪf edʒ]

adj.  形势难料的

机械

英英释义

noun

• the sharp cutting side of the blade of a knife
  Synonym:cutting edge

双语例句

• The Pseudocolor Encoding of Phase Objects by Foucault Knife Edge Method
  用傅科刀口实现位相物体的假彩色编码
• 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。
• Tip: DO NOT lift the knife edge above the knuckles!
  注意事项：不要把刀抬起高过指关节。
• This political and bureaucratic game of musical chairs has the entire world on a knife edge, continued uncertainty and lack of confident decision making worsening sentiment.
  整个世界饱受这种政治官僚游戏之苦，处于风险边缘，加之持续的不确定性和信心的缺乏，投资者情绪恶化加剧。
• Besides, in most cases the overlong distance from knife edge to the aspheric surface to be tested will decrease the precision of the knife-edge testing.
  此外，在很多情况下，刀口到待检非球面的距离很长，从而降低了刀口检验精度。
• If you don't do this, the plane will fall off into a knife edge spin.
  假如你做得不好的话，飞机会进入刀刃旋转。
• Design of Experiment for Measuring Gaussian Beam Spot Size Using Knife Edge
  刀口法测量高斯光束腰斑大小实验设计
• Beam quality factor M~ 2 is measured by the means of knife edge for different bending of LMA fiber and the slope efficiency is measured separately.
  采用刀口法测量了不同弯曲直径下的激光光束质量因子M~2，并对每种情况下光纤激光器的斜率效率进行了测量。
• Suction outlet controlled by servo motor precision, following the knife edge automatic adjustment.
  吸风口由伺服电机精准控制，跟随边自动调整。
• By using knife edge as object, and CMOS sensor as device for image analyzing, we get edge spread function from the image and use differential operation and FFT to obtain modulation transfer function of the lens, then its image quality is known.
  以刀口作为目标物，以CMOS作为图像分析器件，从图像中获取刀口函数，经微分和FFT运算，得到成像镜头的MTF（调制传递函数），从而得知其成像品质。