从理论和实践上证明了数据挖掘具有不可估量的发展前景。
It proves that data mining has an inestimable developing prospect.
本文的研究从理论和实践上为IPO定价提供了一定的指导。
The research has provided some instruction for IPO pricing from the theory and the practice.
本文从理论和实践两方面，探讨了创造性思维训练的有关问题。
Some issues of creative thinking training have been inquired into in this article from theory and practice.
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