“关系”用英语：
1.relation[r?'le(?)n]
n. 关系；叙述；故事；亲属关系
2.relationship[r?'le(?)np]
n. 关系；关联
3.connection[knek?n]
n. 连接；关系；连接件
例句
1. A relationship exists between tree density and fruit yields. 植株密度和果实产量之间存在一种相关关系。
2.Objective To explore the correlation between freezingpoint osmotic pressure and conductivity. 目的:探讨在肾病检查中尿液冰点渗透压和尿液电导率的相关关系。
4. Species richness and evenness were unrelated to similarity in species composition. 物种丰富度和均匀度均与物种构成上的相似性没有显著相关关系。