Laser is a new light source.Comparing with ordinary light the laser has good monochromaticity, directivity, coherency, high brightness, high power and high energy etc.
摘要激是一种新,激与普通相比,具有很好单色性、方向性、相干性和高亮高功率、高能量等特点。
Laser is a new light source.Comparing with ordinary light the laser has good monochromaticity, directivity, coherency, high brightness, high power and high energy etc.
摘要激是一种新,激与普通相比,具有很好单色性、方向性、相干性和高亮高功率、高能量等特点。
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