The method is applicable for measuring vorticity of a strong rotational flow.
该方法适用于具有强旋转流动涡量的测量。
There is an inner boundary within the rotational flow field of hydrocyclone.
旋流器内的旋转流场中存在一内边界，其速度头为零；
In laser Doppler velocimeter application to rotational flow, the window effect will appear when measurement window rotates with the flow field.
在应用激光多普勒测速仪测量旋转流场时，如果测量窗口随着旋转流场一起转动，就会产生窗口效应问题。
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