Simplifying the printing order sorting into single sorting on the basis of analysis as to the choke point and had established the sorting 's teaching model.
在分析印刷业工艺瓶颈工序的基础上，将印刷业订单排序问题简化为单机排序问题，并建立了该排序的数学模型。
Chinese character teaching is the basis of teaching Chinese to foreign students, also it 's difficult point compared with others.
汉字教学是对外汉语教学的基础，也是一个难点。
Chinese character teaching is the basis of teaching Chinese to foreign students, also it 's difficult point compared with others.
汉字教学是对外汉语教学的基础，也是一个难点。
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