目的分析理想状态下主动脉瓣关闭机制。
Objective To analyse the closing mechanism of ideal aortic valve model.
这些反应影响着我们的遗传密码的表现方式：每个基因是如何被加强或削弱，甚至其作用机制是如何被打开或关闭，从而构成我们的骨骼、大脑以及身体的其他部位的。
These reactions influence how our genetic code is expressed: how each gene is strengthened or weakened, even turned on or off, to build our bones, brains and all the other parts of our bodies.
如果您的连接是混乱的，或者您的浏览器关闭了，那么在服务完成时，您将不能依赖回调机制来触发。
If your connection is disrupted or if your browser is closed, you cannot necessarily rely on the callback mechanism to fire when the service is complete.
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