守: guard; defend类书: reference books with material taken from various sources and arranged according to subjects类收钙素结合蛋白: calsequestrin-like calcium-binding protein类属: generic类视图“按类型分组”: class view grouby type类属unbind: generic unbind类视图: class view group by type类属包: generic package类视色素: retinoid类属鞭毛抗原: group flagellar antigen类适任证书: area a certificate of competency; area b certificate of competency b; area c certificate of competencyc