incidencen.发生(率);入射
incidence cluster关联聚类
incidence relation关联关系
incidenceangle yaw迎角
incidence coloring关联着色
incidence matrices关联矩阵
incidence calculus产生率计算
incidence of light光线入射
incidence resource入射声源
incidence tendency发病趋势
incidence function关联函数