详细解释:n. 两向色性
【化】 二向色性; 二色性
【医】 二向色性; 二色性
英语解释：
名词 dichroism:
pleochroism of a crystal so that it exhibits two different colors when viewed from two different directions详细解释：
di.chro.ism
n.Chemistry （名词）【化学】 The property possessed by some solutions of showing different colors at different concentrations.二向色性：某些晶体在沿不同轴观看时，而呈现两种不同的颜色的性质The property possessed by some crystals of exhibiting two different colors when viewed along different axes.双色性：某些溶液由于浓度不同而呈现不同颜色的性质