短語(yǔ)詞組短語(yǔ)unascertained mathematics 未確知數(shù)學(xué);未確知數(shù)unascertained subsemigroup 未確知子半群unascertained expectation 未確知期望an unascertained 未確知unascertained variables 未確知量unascertained model 未確知模型unascertained theory 未確知理論 返回 unascertained