与此同时传统航空公司也在改变成本结构、更换商务模式，试图在与低成本航空公司的搏斗中置之死地而后生。

Meanwhile traditional airline also is changing cost structure, change business affairs mode, try to be born after that in the deathtrap with the in fighting buy of low cost airline.

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本文针对教学系统的实际情况，对关联分析中置信度的计算方法进行了改进，以提高模式发现的准确性。

According to the actual situation of the educational system, this thesis has improved the computing method of the confidence to enhance the accuracy of the patterns founded.

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