n. topographic study of a given place (especially the history of the place as indicated by its topography)
n. the branch of pure mathematics that deals only with the properties of a figure X that hold for every figure into which X can be transformed with a one-to-one correspondence that is continuous in both directions
n. the configuration of a communication network
n. 地志学, 拓扑学, 局部解剖学
[计] 拓扑结构, 网络的布局