calcite dichroscope实为冰洲石二色镜
dichroscope E二色镜
ocular dichroscope接眼二色镜
dichroiscope dichroscope二色镜
dichroscope U二色镜
london dichroscope伦敦二色镜
N（名词） an instrument for investigating the dichroism of solutions or crystals 二向色镜 (Also called dichroiscope, dichrooscope)