Frankly speaking, this Expo itself, its concept, program management, and means of communication, have been set at a higher standard, which are learned from the practice of other countries.

坦率地说，那些办会的理念、运行的程序、交流的方式，很多还吸收了他国先行的经验。

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At last, this paper probes into mathematical communication practice about concept teaching, rule teaching, problem solution teaching and the teaching of mathematics thought and method.

最后，本文探讨了中学数学课堂中概念教学、命题教学、问题解决教学和思想方法教学中的数学交流实践。

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Marx's concept of practice consists of two aspects. that is, productive activity and communication activity.

马克思的实践概念包含着两个向度：人征服自然的生产活动以及人与人之间的交往活动。

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