它利用网上课堂、视频点播等功能，探索了师生处于准分离状态下的新的人才培养模式。
It probes the new model of cultivating talents in the semi separate state of students from their teachers.
分离空间内时均流场是外侧准自由涡与内侧准强制涡的典型结构。
In the separation space, the outer vortex can be approximately regarded as quasi-free vortex and inner vortex as quasi-forced vortex.
研究发现：旋风分离器的中心为向上旋转的强制涡，外部为向下旋转的准自由涡。
It is found that: the center of the cyclone separation is a forced upward rotation vortex; the external is a quasi-free downward rotation vortex.
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