General relativity predicts that the wavelength of this light will be shifted by a small amount due to the galaxies' mass, in an effect called gravitational redshift.
广义相对论预言这种光的波长会因这些星系的质量而有少量的偏移，这种效应称为引力红移。
2
Short-wavelength, Tiny light spot, Small thermal effect, With obvious advantages when processing the heat sensitive materials.
波长短，聚焦炮点小，热效应小，加工对热源很敏感的材料时紫外激光具备明显的优势。
3
By use of rate equations, we have analyzed the effect ot laser wavelength radiation in pump light source on excited state population accumulation of laser medium and laser threshold.