Based on the Reynold's equations with the micro scale effects considered, a new kind of approximate algorithm for the inner flow of the spiral grooved gas seals was set up in this paper.

本文引用考虑微尺度效应的雷诺方程，推导出了考虑微尺度效应的螺旋槽干气密封内部流动的近似算法。

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About 67, 000 seals were killed during the 2009 hunting season in the province of Newfoundland, which set its hunt limit at 350, 000.

BBC: A seal laying in the Gulf of St Lawrence, Canada