票价介绍：北京机票的价格由票价、税金、燃油费等组成。
Tickets Description: Beijing ticket price from fares, taxes, fuel fees form.
第二部分“国内外股票价格指数预测方法”介绍了目前国内外对股票价格指数预测的方法研究，并对各方法进行简要的评价；
The second part : The methods of stock price index forecast inland and abroad introduce a lot of methods to forecast the stock price index and have an analysis.
最后简单介绍了利用计算动词决策树对股票价格数据库进行数据挖掘的过程。
A data mining process for evaluating the database of stocks by using computational verb decision tree was introduced in brief.
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