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...理对象关系映射时，对于对象间关联关系的方式主要有三种，分别是一对一(one-to-one)，一对多(one-to-many)，多对多(many-to-many)，还有一种是多对一(many-to-one)，但由于这与一对多只是方向相反，所以在这里认定一对多与多对一的处理方式是一致的；而对于对象...
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首先,你要实现关联查询,这些表,肯定是要实现双向多对多的关系(many-to-many),然后,你说UserRole没有主键,那么使用MyEclipse自动生成的时候,就会创建两张表,一张里面是uid,另一张表里是别的字段,我之前做的项...
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多对多关联 （ many-to-many ）：例如课程和老师表间关联。 通过在Hibernate的映射文件中指定两个表间的关联后，在得到某个表的po的同时而得到另一个关联表的...
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many to many 多对多
many to many relationships 多对多关系型数据库
many-to-many relationship 多对多联系 ; 多对多关系 ; 多对多关联性 ; 多对一语言
many-to-many database 多对多数据库
Many-to-Many attribute 多对多属性
many-to-many communication 多对多通信 ; 称作多对多传输 ; 多对多的沟通模式
many-to-many dimension 多对多维度
Many-to-Many Values 访问多对多值
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多对多 - 引用次数：35
To solve task allocation problem in MAS, put forward a many-to-many task allocation mechanism.
为解决MAS的任务分配问题，提出了任务与agent之间多对多的任务分配模式。
参考来源 - 期刊学术社区 -
多对多 - 引用次数：3
and Phrases: principal component; estimate; regression analysis; many-to-many; stationary field; time series analysis; forecast.
主成分; 估计; 回归分析; 多对多; 平稳域; 时间序列分 析; 预测。
参考来源 - 经济预测统计模型的研究与应用
·2,447,543篇论文数据，部分数据来源于NoteExpress
Many-to-many
- abstract: In systems analysis, a many-to-many relationship is a type of cardinality that refers to the relationship between two entities (see also entity–relationship model) A and B in which A may contain a for which there are many in B and vice versa. For instance, think of A as Authors, and B as Books.
以上来源于: WordNet
双语例句原声例句权威例句
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So, how do we map a many-to-many association?
那我们怎样映射多对多关系呢？
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Each many-to-many association maps to a distinct table.
每个多对多的关联映射到唯一的表。
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Many-to-many interactions: one or more events can affect one or more subscribers.
多对多的交互：一个或多个事件会影响一个或多个订阅者。
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Many of these books told people what they wanted to hear -- that finding gold in the Yukon was easy.
VOA: special.2009.02.04
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In addition to many lectures, we have the working groups pleased to do both experiments and to do problem-solving exercises.
我们不仅有讲座，还有不同的小组,他们将做实验,和解决问题的练习。
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Literature is many things, a many-splendored thing," you say to yourself, "and it simply cannot be confined or trapped within a definition of that kind."
文学可以是很多，很多奇妙的东西，它不会局限于,那种定义“
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