词汇	spot cotton
释义	spot cotton 现货棉花
随便看	entity-relation-problems entity relationship entity-relationship Entity-Relationship entity relationship approach entity-relationship approach entity relationship concept entity relationship databases entity-relationship databases entity relationship data model entity-relationship desige entity-relationship design Entityrelationship diagram entity relationship diagram entity-relationship diagram entity relationship diagrams entity-relationship diagrams entity-relationship-entity entity relationshiper entity relationshipER entity relationship mode entity relationship model entity-relationship model entity-relationship modeling entity-relationship models