释义 n.[数] 截头锥体；平截头体复数frusta或frustums 实用短语frustum of a cone圆台,截头圆锥体,圆锥台,平截头圆椎体frustum of a pyramid截棱锥,平截头棱椎体frustum of cone平截头圆锥体,截头圆锥frustum of a paraboloid平截头抛物面体view frustum culling视域剔除,视锥剔除,筛选,裁剪viewing frustum视见平截头体,视锥,以视线为轴心的棱台,检视范围frustum of pyramid截棱锥,截头角锥view frustum视见体,视锥体,否在视锥frustum culling破片拣选,视截体剔除,可视平截头体的裁剪