概念性元素的选择及其排列组合方式是建立概念性流域汇流模型的关键性问题，因此比较概念性元素之间的差异具有十分重要的意义。
In developing conceptual watershed concentration models, it is a key to select a proper type of conceptual elements and make arrangement of them.
然而，就目前看来，囿于学术传统与体系特点，我国学术界对于这样一个具有根基性意义的重大问题远未抱以足够的重视，甚至对于一些概念性的问题也讨论甚少。
But because of academic tradition and system characters, we haven't pay attention to the basic issue yet in our criminal study, and haven't made enough discuss on some general question of excuse.
本文对建设工程保险中介进行了概念性的描述，并从信息经济学的角度分析了建设工程保险中介机构存在的意义和必要性；
The paper firstly introduces the concept and the importance of engineering insurance intermediary; secondly, point out the shortage and reason of engineering insurance intermediary in china;
本文对建设工程保险中介进行了概念性的描述，并从信息经济学的角度分析了建设工程保险中介机构存在的意义和必要性；
The paper firstly introduces the concept and the importance of engineering insurance intermediary; secondly, point out the shortage and reason of engineering insurance intermediary in china;
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