relation operation的意思|示意
relation operation相关短语
1、 special relation operation 特异的关系运算
2、 simplified self-relation operation 简化的自相关运算
3、 Relation and operation of events 事件间的关系与运算
4、 relation algebra operation 关系代数运算
5、 supplier and co-operation relation 供方及合作关系