例句與造句

1. If the particle is to move on a non-Euclidean manifold, then the Hamiltonian is replaced by:
2. be a map from the domain of the curve \ mathcal { C } with parameter \ tau into the euclidean manifold \ mathbb { R } ^ 3.
3. Straight lines can formally be obtained by solving the Euler Lagrange equations for the above non-Euclidean manifolds ( curved spaces ) where the nature of the space is represented by a metric tensor g _ { ab } the integrand has be to modified to \ sqrt { g ^ { ac } \ dot { r } _ c g _ { ab } \ dot { r } ^ b }, where Einstein summation convention has been used.
4. It's difficult to find euclidean manifold in a sentence. 用euclidean manifold造句挺難的