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
- 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。 - 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。 - 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 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； - On the basis of testing results, main cutting curves of wheat straw were given, under different cutting speeds of rotatory blade with different straw lengths, moisture centents cutting positions, different thicks knife edge, with and without shear bar.
得出粉碎刀片在不同切割速度下，对短秆、长秆、秸秆不同切割部位、秸秆不同含水率、不同刀刃厚度、有定刀和无定刀等情况下的切断率曲线。 - 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。 - His future remains on a knife edge
他前途未卜。 - 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。 - Coating Tungsten on the Glass Knife Edge for Improvement of Cutting Function of Microtome Glass Knives
在玻璃刀口上镀钨&改进超薄切片和玻璃刀的切割性能 - Experimental results show that soft knife edge sensor have good real applied perspective.
实验结果表明，软刀口型波面传感器具有良好的实际应用前景。