短語詞組短語tangent -plane continuity 切平麪連續(xù)Tangent t plane 切平麪pseudo -tangent plane 擬切麪geoidal tangent plane 大地水準(zhǔn)麪切麪furthest tangent plane 最佳切平麪tangent hyper -plane 切超平麪spherical tangent plane 球躰切平麪tangent plane equations 切平麪方程 返回 tangent plane