reciprocal radius

例句：

1. 1. In a reciprocal relationship, both parties are expected to give and take equally.
   在互惠关系中，双方期望给予和接受是平等的。
2. 2.The company's policy of reciprocity has helped to build strong partnerships with its suppliers.
   该公司的互惠政策有助于与供应商建立牢固的合作关系。
3. 3.The reciprocal radius is an important factor in determining the success of a business venture.
   互惠半径是决定企业成功的重要因素。