片语
bivalence sulfer两价硫
bivalence detail双化合价
principle of bivalenceIn logic, the semantic principle (or law) of bivalence states that every declarative sentence expressing a proposition (of a theory under inspection) has exactly one truth value, either true or false. A logic satisfying this principle is called a two-valued logic or bivalent logi
bivalence rare earth二价稀土金属
Bivalence of Fuzziness二值模糊
pragmatic bivalence重语用模糊