reciprocal relationships
对称性对偶关系是指两个个体之间存在着具有双向互动或互惠关系(reciprocal relationships);非对称性对偶关系是指关系仅单方面存在,不存在双向互动或互惠关系。
develop its strategic relationship of mutual benefit
Mutually beneficial relationship law ; Reciprocal Relationship Law
strategic reciprocal relations