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
- 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。 - 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。 - 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 - 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。 - 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。 - 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。 - 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。 - 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。 - 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。