数学概念学习过程中，概念表征是重要的环节。
In the course of mathematical concept learning, Representation of mathematical concept is the most important step.
化学概念表征是化学教育心理学的重要研究对象。
The representation of chemical concepts is an important topic in educational psychology for chemistry.
双语知识的概念表征层同词汇表征层是可分离的。
The conceptual representation could be discreted with the bilingual lexical representation.
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