补码一对多关系one: Once one is one. 一乘一等于 ...many: adj. (more; most) (opp. few; ...relationship: n. 1.亲戚,亲戚关系。 2.关系,联系。 3.〔委婉 ...many-one relationship: 一对多关系one to many relationship: 一加一位址指令下载手机词典可随时随地查词查翻译