Unlike paper labels, the content of the laser etching can be easily changed.
与纸标签不同，激光打标的内容可以轻松地进行更改。
But it has been rarely reported that femtosecond laser etching can improve the efficiency of silicon solar cells, so far.
但是，目前采用飞秒激光直扫技术以提高硅太阳能电池效率的工作，尚鲜有报道。
Surface treatments in liquid phase using laser-laser plating and laser etching were reviewed. The principle and application of this technique were described.
对液相中的激光表面处理-激光电镀和激光刻蚀进行综述，阐述了有关原理和应用。
Objective: to compare phosphoric acid etched and laser etched human enamel surfaces and evaluate the possibility of using laser etching as a new technique to take place the conventional acid etching.
目的：对激光和磷酸刻蚀牙釉质进行比较，探讨激光刻蚀是否可作为酸蚀牙釉质表面的一种替代方法。
Surface treatments in liquid phase using laser-laser plating and laser etching were reviewed.
对液相中的激光表面处理-激光电镀和激光刻蚀进行综述，阐述了有关原理和应用。
The optical system, mechanical system, electrical system and software system are studied in the mold laser etching machine, and the mold laser etching machine is developed with the practical value.
对模具激光蚀刻机的光学系统、机械系统、电气系统及软件系统进行了研究，研发出具有实用价值的模具激光蚀刻机。
The optical system, mechanical system, electrical system and software system are studied in the mold laser etching machine, and the mold laser etching machine is developed with the practical value.
对模具激光蚀刻机的光学系统、机械系统、电气系统及软件系统进行了研究，研发出具有实用价值的模具激光蚀刻机。
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