这个过程可能周而复始，周期性地重复--天文学家称之为"脉动"对不稳定性超新星--直至恒星失去足够的物质，在普通超新星的形态中走到生命的尽头。
The cycle can repeat itself in pulses—astronomers call this case a “pulsational” pair-instability supernova—until the star loses enough mass to end its life in an ordinary supernova.
采用非平衡动力学方法研究由CNO循环决定的恒星结构稳定性，本文得出：CNO循环自身是稳定的；
The method of nonequilibrium dynamics is used to study the stability of stellar structure, including chemical reaction, diffusion and convection. We find that CNO cycle is stable.
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