短語詞組短語locally projectively flat 侷部射影平坦locally dual flat 侷部對偶平坦locally conformal flat manifold 侷部共形平坦流形locally conformally flat 侷部共形平坦locally conformal flat metric 侷部共形平坦度量locally conformally flat metric 侷部共形平坦度量locally convex topology flat 侷部平坦的locally flat embedding 侷部平坦的嵌入locally flat connection 侷部平坦連通 返回 locally flat