基本解釋[數(shù)學(xué)]多面凸錐詞組短語(yǔ)短語(yǔ)convex polyhedral cone [數(shù)]凸多面錐;凸多面錐體polyhedral convex cone更多詞組專(zhuān)業(yè)釋義數(shù)學(xué)多面凸錐