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一、引言激光技术是二十世纪六十年代初发展起来的一门新兴技术。激光是由一种新型的光源——激光器发出来的光。它的特点是:亮度极高,比太阳表面的亮度还要高
I. INTRODUCTION Laser technology is an emerging technology developed in the early 1960s. Laser is a new type of light - the light emitted by the laser. Its features are: high brightness, higher than the brightness of the sun’s surface