The combination of very large radio flux and exceedingly small angular size means that the sources have a fantastic surface brightness.
极大的射电流量同极小的角经集于一身，意味着这些发射源有难以置信的高表面亮度。
Based on the radio frequency sheath model, the equations for ion velocity, density, and energy flux colliding on the material surface are derived.
在射频鞘层模型基础上，推出了离子轰击材料表面的速度、浓度及能量通量的表达式。
The radio flux is extremely variable, exhibiting erratic outbursts.
射电流量变化极大，显示出无规则爆发。
The radio flux is extremely variable, exhibiting erratic outbursts.
射电流量变化极大，显示出无规则爆发。
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