ZrO2是典型的离子晶体，ZrO2中添加的二价或三价立方对称氧化物，如CaO、MgO、Y2O3和其他三价稀土氧化物时，可以使ZrO2在600℃以上时成为氧的快离子导体，人们称它为固体电解质。Chinese dumpling is one of the most important foods in chinese new year.Since the shape of chinese dumpling is similar to ancient chinese gold or silier ingots ,they symbolize wealth .Traditional,th e members of a family get togeter to make dumplings during the New Years Eve.