To alter the gradient of land surface for decreasing the energy of flow.

二是改变地表的坡度，减小水流的能量。

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And the final is that the study on zonal flow driven by ion-temperature-gradient mode.

最后部分是离子温度梯度模驱动的环带流生长研究。

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And the final is that the study on zonal flow driven by ion-temperature-gradient mode.

最后部分是离子温度梯度模驱动的环带流生长研究。

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