例句與造句

1. If is a continuously differentiable vector field defined on a neighborhood of, then we have:
2. In three-dimensional Cartesian coordinates, the divergence of a continuously differentiable vector field \ mathbf { F } = F _ x \ mathbf { i } + F _ y \ mathbf { j } + F _ z \ mathbf { k } is defined as the scalar-valued function:
3. It's difficult to find differentiable vector field in a sentence. 用differentiable vector field造句挺難的