More powerful representations, such as entity/relations or object models, are needed if one wants to perform a complex mapping of databases to each other or to query across heterogeneous databases.
更为有效的表达方法，例如实体关系或者对象模型，可以用来解决复杂的数据映射或者查询异构数据。
People rely on their spatial knowledge to build many other more complex or abstract representations including time, number, musical pitch, kinship relations, morality and emotions.
人们依靠空间知识，形成了了更为复杂抽象的，包括时间、数字、乐器音调、亲属关系、道德和情感在内的想象力。
Since the crisis broke out, the relations among relevant countries have become more and more complex as many contradictions get entangled.
自这场危机爆发以来，因各种矛盾纠缠在一起，相关国家关系变得错综复杂。
The thesis also introduces the mathematic representation of extended functional relations, and constructs a contextual pattern database to process the problem in a more complex context.
本文还介绍了对扩展函数关系的数学描述建立相应的语境模式库来进行复杂语境的译文选择方法。
The thesis also introduces the mathematic representation of extended functional relations, and constructs a contextual pattern database to process the problem in a more complex context.
本文还介绍了对扩展函数关系的数学描述建立相应的语境模式库来进行复杂语境的译文选择方法。
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