这一发现的证实对营销理论和实践都具有重要意义。
The findings offer some interesting implications for both marketing theory and practice.
本文又在负压区运用了正压井、负压井、动态气流密封负压高效排风装置等一系列有价值的措施，并在理论上证实其实用意义。
Some measures such as the positive pressure well, the negative pressure well, the high efficiency exhaust sealed with dynamic air current are all effective in theory.
作者还通过对海-气交互作用计算例题证实了等风速线簇理论的实用意义。
A calculating example of sea-air interaction shows that the theory of the isotach cluster can be put into practice prefectly.
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