The crystals of the pigment can be showed as XAl 2O 3 · YCr 2O 3 、( Al xCr y ) PO 4 and LaPO 4.The chromatic mechanism were discussed .
结果表明，颜料所含晶相可表示为XAl2O3·YCr2O3、（AlxCry）PO4及LaPO4。
So far as I know , the majority of plant disease resistance genes are constitutive expression ; even though also reported for induced gene , such as xal , which has been the only induced gene reported in the paper .
