The mechanism of this instability is based on the cycle of acoustic waves between their corotation radius and the shock.
这种不稳定性的机制是基于声波在其同心圆半径和冲击之间的循环。
The corotation ladder-shaped cover nut is enclasping central tube, and easy to realize rapid dismantling.
正旋梯形螺母即抱紧中心管，实现快速联接和密封。
The corotation circle ACTS as an interface that can either reflect or transmit these waves allowing them to gain energy at the expense of the global rotational kinetic energy of the galaxy.
共同旋转圈的作用，像个可以反射或透射这些波的介面，让它们转换星系整体的转动动能为自身的能量。
The corotation circle ACTS as an interface that can either reflect or transmit these waves allowing them to gain energy at the expense of the global rotational kinetic energy of the galaxy.
共同旋转圈的作用，像个可以反射或透射这些波的介面，让它们转换星系整体的转动动能为自身的能量。
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