基本解釋[數(shù)學(xué)]橢圓型微分算子詞組短語(yǔ)短語(yǔ)elliptic partial differential operator [數(shù)]橢圓型偏微分算子strongly elliptic differential operator 強(qiáng)橢圓微分算子elliptic pseudo -differential operator [數(shù)]橢圓型偽微分算子self -adjoint elliptic differential operator [數(shù)]自伴橢圓型微分算子transversally elliptic left -invariant differential operator 橫截橢圓型左不變算子elliptic differential operator更多詞組專(zhuān)業(yè)釋義數(shù)學(xué)橢圓型微分算子