例句與造句

1. But for the higher order terms ( the two coming from the divergence of the deviatoric stress that distinguish Navier Stokes equations from Euler equations ) some tensor calculus is required for deducing an expression in non-cartesian orthogonal coordinate systems.
2. Expressing the Navier Stokes vector equation in Cartesian coordinates is quite straightforward and not much influenced by the number of dimensions of the euclidean space employed, and this is the case also for the first-order terms ( like the variation and convection ones ) also in non-cartesian orthogonal coordinate systems.
3. It's difficult to find cartesian orthogonal coordinate system in a sentence. 用cartesian orthogonal coordinate system造句挺難的