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 Development on Hydraulic Copying Knife Edge Grinder
  液压仿形刃口磨床之研制
• 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。
• 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。
• In this paper, the parameters of the cylinder-type forage cutterhead with straight knife edge is analysed, the mathematical formulas concerned have been derived. The cutterhead ZC-1.0 is discussed as an example.
  本文对直刀刃滚刀式饲草切碎器的参数进行了分析，推导出了有关数学式，以ZC-1.0型切碎器为例作出了评论；
• This paper study the process of getting the point spread function using knife edge method, and the influence factors on the restoration effect to image analysis.
  本文深入研究了利用刃边法求取点扩散函数的过程，对影响图像复原效果的因素进行了分析，并提出了自己的评价体系用于遥感图像的复原效果评价。
• 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。
• 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。
• In this paper, the developing process, on hydraulic copying knife edge grinder was expounded.
  本文阐述了液压仿形刃口磨床研制的全过程，针对原有设备存在的缺陷，提出设计改装方案，进而付诸实施、取得结果。
• 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
• 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。