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

• 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。
• Based on the optoelectronic inspecting technology, the chinks between knife edge and the generatrices of measured part were measured by the laser scanned inspecting system and using the rotating and axial feed servo systems, and the non contact automatic measurement of straightness error was realized.
  基于光电检测技术，利用回转和轴向进给伺服系统，通过激光扫描检测系统测量刀口尺与被测零件素线之间的间隙，实现了对直线度误差的非接触自动测量。
• 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。
• 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 introduces a new testing method of the surface shape of large optical mirror to replace Ronehi with Foueault knife edge.
  本文介绍了用刀口仪代替朗奇光栅用于大型光学镜面面形检验的新方法。
• A Self Contained Smart Depth Recorder A knife edge compensated ink-stylus
  微电脑自容式深度记录器尖刃补偿墨水笔描记录器
• 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 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。
• 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。
• 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。