knife edge
英 [ˈnaɪf edʒ]
美 [ˈnaɪf edʒ]
adj. 形势难料的
英英释义
noun
- the sharp cutting side of the blade of a knife
双语例句
- This text has mainly proposed some discussion opinions on this processing method, explained its processing principle, set up mathematics model, proposed optimizing the design prospect of the excellent horn of knife edge to the improvement of the machining accuracy of the whorl finally.
本文主要是对该加工方法提出了一些探讨性见解，并阐述了其加工原理、建立了数学模型，最后对螺纹加工精度的提高提出了优化刀刃优角的设计展望。 - The concept of a new type wavefront sensor-rotating soft knife edge wavefront sensor has been proved with Fourier optics theory.
利用傅里叶光学理论，证明了一种新型波面传感器&旋转软刀口波面传感器的概念。 - This time, United face Chelsea in a potential Barclays Premier League title-decider at Old Trafford on Saturday with the championship still on a knife edge and a run-in laden with pitfalls to come.
这次，曼联周末就将在主场迎战切尔西。这很可能将决定本赛季联赛桂冠的归属，卫冕冠军现在的领先优势并不大。而现在又折损大将。 - 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 - His future remains on a knife edge
他前途未卜。 - Two series of fatigue crack growth rate ( FCGR) tests using three point bend specimen with different integral knife edge designs are performed. Effect of elastic modulus on the measurement of fatigue crack length using compliance technique is analyzed.
用不同整体刀口设计的三点弯曲SE（B）试样做了两组疲劳裂纹扩展速率（FCGR）试验，分析了弹性模量在柔度法测量疲劳裂纹长度中的影响。 - 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。 - 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。 - 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。