All of these material entities spring at their point of origin from the same source as the topologicalmanifold of space, that is, from a higher spatial dimension.
所有这些物质实体从同一来源回到原点如同空间的拓扑流行,也就是说,来自更高的空间维度。
2
The relations between topological mixingand topological exact of maps on one-dimensional compact manifold are discussed and a few conditions of topological mixing turning into exact are given.