On the basis of this, the problems existing in the study of water-jet rock breaking theory are reviewed out and analysed and some Suggestions for the theory study are given.

在此基础上评述和分析了水射流破岩理论研究存在的问题，并为水射流破岩理论的研究提出了一些建议。

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Well, that's more than 2, 000 movers and shakers, and it's been crashed recently by jet-setters and rock stars and movie actors.

NPR: The Marketplace Report: Greenspan's Successor