The energy absorptivity and hardness of knife surface are obviously increased using graphite coating during laser thermal treatment for high speed steel knife.
采用石墨涂层，对高速钢刀片进行了激光热处理，显著地提高了刀片表面的能量吸收率和硬度。
The pulse laser cutting is a new working process, which can make the seam to contact better with the body of knife, so the strength, life and rigidity of the die board have risen.
用脉冲激光切割模切板使切缝和刀体保持良好的接触，提高了模切板的刚度、强度及使用寿命。
While achieved precision which the knife mold manufacture needed to reduce greatly has stirred up the laser scalpel mold's manufacture cost.
在达到刀模制作所需要的精度的同时大大降低了激光刀模的制作成本。
Production reached knife mold needs of accuracy at the same time greatly reduced the laser knife mold of the production cost.
在达到刀模制作所需要的精度的同时大大降低了激光刀模的制作成本。
Objective: investigate the clinical effectiveness of the treatment by the combination of the semiconductor laser irradiation, bone-setting manipulation techniques and the knife-needle therapy.
临床研究：目的：观察以半导体激光照射、正骨推拿手法及针刀疗法结合治疗本病的临床疗效。
A novel method for propagating light-knife by the reflection of Gaussian laser beam at a cylinder is put forward and the formula to appraise the geometry parameters of light knife is also derived.
提出一种利用高斯光束柱面反射展成法生成光刀的新方法，并导出了光刀几何参数的预估算式。
So far people have put forward some basic methods for evaluate the MTF values of the lens, such as knife-edge method, laser speckle method and extended frequency aperture (EFA) method.
迄今为止，人们已经提出了诸如刃边法、激光散斑法、扩展频率孔径法等多种测量离散成像器件MTF的方法。
So far people have put forward some basic methods for evaluate the MTF values of the lens, such as knife-edge method, laser speckle method and extended frequency aperture (EFA) method.
迄今为止，人们已经提出了诸如刃边法、激光散斑法、扩展频率孔径法等多种测量离散成像器件MTF的方法。
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