Below a certain threshold, they will not be strong enough to overcome the convectivemixing of the gas at the surface, and spots will disappear altogether.
低于一定的临界值的话，它们将不足以克服表面气体的对流混合，因而太阳黑子将完全消失。
2
In this paper, the author desserts the two section instrument has many principles such as: convective mix, shear mix, spread mix etc, gives some way of improvement of Continuous mixing system.