各数学单元有它独特的数学语言教学，由此形成了数学各分支、各单元独特的学科特征。

There was the unique characteristic of mathematics language teaching in each mathematics cell, which form corresponding unique mathematics characteristic.

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He speaks in a language of math and it is very important for students to be able to have hot copies so that they can take notes on the paper rather than be working very hard to copy down the equations that he used in these lectures.

他以数学语言授课,所以发给学生教学材料,是非常重要的,这样就可在纸上做笔记,而不用拼命,抄下他在课上,用到的等式。

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