例句與造句

1. If this holds on shell and off shell, we say " Q " generates an off-shell symmetry.
2. The " vacuum " is itself polarizable and, hence, populated by virtual particle ( on shell and off shell ) pairs, and, hence, is a seething and busy dynamical system in its own right.
3. It's difficult to find on shell and off shell in a sentence. 用on shell and off shell造句挺難的