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激光的诞生是本世纪物理学的一个重大进展，它给传统的光学注入了活力，从而使光学取得突破性的飞跃。基于激光的高亮度、高相干性和高准直性，使很多传统的光学测量提高了测量精度；使过去光学不能测量的诸如超短、超快和超弱现象成为可能；开拓了对单个原子、生物活体和...
The birth of the laser is a major advance in physics in this century. It injects vitality into the traditional optics and makes a breakthrough in optics. Based on high brightness, high coherence and high collimation of laser, many traditional optical surveys improve the measurement accuracy; it can make optical phenomena such as ultra-short, ultra-fast and ultra-weak which can not be measured in the past; , Living creatures and ...