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 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 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。 - 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。 - 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。 - 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。 - 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。 - 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 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。 - Study of rotating soft knife edge wavefront sensor used in adaptive optics
一种适于自适应光学的旋转软刀口波面传感器的研究 - 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。