什么是 manifold?Many and varied; of many kinds; multiple: our manifold failings. Having many features or forms: manifold intelligence. Being such for a variety of reasons: a manifold traitor. Consisting of or operating several devices of one kind at the same time.A whole composed of diverse elements.One of several copies.A pipe or chamber having multiple apertures for making connections.Mathematics A topological space or surface.To make several copies of, as with carbon paper.To make manifold; multiply.