So what we're really getting out of this is information of the structure of the brain, but we can also measure the difference in magnetic properties of blood that's oxygenated and blood that's depleted of oxygen.
我们在用这个技术 获取大脑结构的信息， 不仅如此，我们还能测量 血液在含氧以及缺氧的状态下， 其磁属性的变化差异。