commutative product造句

例句与造句

1. The star product is not commutative in general, but goes over to the ordinary commutative product of functions in the limit of.
2. It is an associative, non-commutative product,  &, on the functions on  ! 2n, equipped with its Poisson bracket ( with a generalization to symplectic manifolds, described below ).
3. It's difficult to find commutative product in a sentence. 用commutative product造句挺难的