FACTS ABOUT BIREFRINGENT CRYSTAL REVEALED

各向异性透明晶体如方解石、石英等的折射率，是其固有的特性，称为永久双折射。In each body of Determine 8, the axis in the microscope polarizer is indicated through the capital letter P and is also oriented in an East-West (horizontal) way. The axis of your microscope analyzer is indicated because of the letter A wh