This paper discusses wear life of laser cladding samples with the aid of the theory of contact fatigue wear.

利用接触疲劳磨损理论讨论激光熔覆试样的疲劳磨损寿命问题。

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Objective To investigate the feasibility of processing porcine acellular dermal matrix(PADM) with the aid of laser punching technology.

目的探讨激光打孔制备微孔猪脱细胞真皮基质（PADM）的可行性。

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The selection of CCD camera, the calculation of the beam path and the variation of laser emission path film are discussed by aid of relative theories.

借助有关理论，讨论了CCD摄像机选型、光路计算、激光发射光路镀膜的变化等问题。

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Tiger Woods hits his chip shots with the aid of laser eye surgery.

CNN: Why Oscar Pistorius deserves to run

In addition they can sketch diagrams, use a laser pointer or run videos to aid employees in the field.

BBC: IBM's robot sidekick aims to aid field engineers