Well, you can think about the physics, actually. When I start this oscillation, I have a choice of two things.
你可以想想，物理有关的，事实上，当我开始振荡，我有两种选择。
I will let it swing one oscillation, and when it comes to a halt here, I will start the timer.
我让它，摇摆一个来回，当它停在这里，我将开始计时。
The oscillation start process of multi-swirling premixed combustion is a nonlinear bifurcation process.
多旋流合成气预混燃烧热声振荡的起振过程是一种非线性分义过程。
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