根據統計,90 的人開車都有過這樣的幻想情節
Surface - Wikipedia, the free encyclopedia哈哈...你也會嗎?? In mathematics, specifically, in topology, a surface is a two-dimensional, topological manifold. The most familiar examples are those that arise as the boundaries of solid objects in ordinary three-dimensional Euclidean space R3 — for example, the surface...
全文閱讀