区域地理环境因素对宁夏泾源县儿童呼吸系统疾病的影响
李浩, 张明鑫, 汪冉

The effects of regional geographical factors on children's respiratory diseases in Jingyuan, Ningxia
LI Hao, ZHANG Mingxin, WANG Ran
表1 因子交互作用类型
Tab. 1 The types of factor interaction expression
表达式 交互关系
q(x, y)<Min(q(x), q(y)) 非线性减弱
Min(q(x), q(y))<q(x, y)<Max(q(x), q(y)) 单方减弱
q(x, y)>Max(q(x), q(y)) 双因子增强
q(x, y)=q(x)+q(y) 独立
q(x, y)>q(x)+q(y) 非线性增强