环流的英文：
circumfluence
circumflux

western intensification of ocean circulation
大洋环流西向强化

general circulation of stratosphere and mesosphere
平流层和中层大气环流

That's because of a clockwise current of water called the Antarctic circumpolar current.
这是由于被称为南极绕极环流的顺时针环流而造成的。

mixing and circulation types in estuary
河口的混合和环流类型

Because of their general circulatory nature, these are referred to as eddy currents
因为它们的这一环流性质，故称之为涡流。

Three hours after it occurred, Lushan vortex causes the formation of Huang-gang vortex by its secondary circulation.
庐山低涡在发展强盛时,通过次级环流诱发了黄石附近中β涡的形成。

This paper describes what the different fire intensities come into being the change of circumfluence based on observation, and probes into planar airflow field of the different phases in fire areas and fire wind characters near to ground on the basis of numerical value simulation experimentation.
在描述不同火强度引起的环流变化的同时,根据数值模拟实验.探讨了林火过程中不同阶段火影响区的二维流场和地面火风的特征。