x And, so if we want partial z over partial x, well, so one way is just to say that's going to be the coefficient of dx in here or just to write down the other way.
如果想知道∂z/∂,一种观点认为，它是这里dx前面的系数,或者从别的观点来看。
x And, so if we want partial z over partial x, well, so one way is just to say that's going to be the coefficient of dx in here or just to write down the other way.
如果想知道∂z/∂,一种观点认为，它是这里dx前面的系数,或者从别的观点来看。
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