例句與造句

1. Another example of a Courant algebroid is a quadratic Lie algebra, i . e . a Lie algebra with an invariant scalar product.
2. For example, in = 4, only is classically dimensionless, and so the only classically scale-invariant scalar field theory in = 4 is the massless 4 theory.
3. For QCD, each equation has the same structure as the ordinary one-body Dirac equation in the presence of an external field similar to the electromagnetic field and an additional external field given by in terms of a Lorentz invariant scalar S.
4. It's difficult to find invariant scalar in a sentence. 用invariant scalar造句挺難的