基本解釋[材料科學]連續(xù)經(jīng)營假設(shè)詞組短語短語continuity y postulate 連續(xù)經(jīng)營假設(shè)continuity postulate更多詞組專業(yè)釋義材料科學連續(xù)經(jīng)營假設(shè)