单词	convective derivative
释义	convective derivative For a fluid flow, the partial derivative ∂/∂t measures the rate of change at a fixed point as different material flows through that point. Also known as the Lagrangian derivative or the material derivative, the convective derivative measures the change of a quantity q while following the fluid. It is given by where u is the fluid's velocity.
随便看	efficiency effort Efron dice Egyptian fraction eigenbasis eigenfunction eigenspace eigenvalue Einstein, Albert Einstein's notation Eisenstein's criterion elastic elastic collision elasticity elastic potential energy elastic string electric field electromagnetic potentials electromagnetic wave element elementary column operation elementary function elementary matrix elementary row operation elementary symmetric polynomial

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