基本解釋[數(shù)學(xué)]拋物面坐標詞組短語短語paraboloidal coordinates detail 拋物面坐標confocal paraboloidal coordinates 共焦拋物面坐標paraboloidal coordinates更多詞組專業(yè)釋義數(shù)學(xué)拋物面坐標