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 同义词：topology,
例句与用法
1.
At this time the subject of topology was known as analysis situs . 在这个时候，拓扑学被称做位置几何学。
2.
Disposes the switch in the network is decided to the network performance improvement by the network analysis situs and the size , and the serviceable wave length number and uses rwa algorithm 在网络中配置转换器对网络性能的改善取决于网络拓扑和大小,及可用波长数和所用的rwa算法。
3.
This topic confirmation uses the analysis situs all is the classicsalso has the certain representation , strengthened the confirmationfeasibility and the reliability , but as a result of the conditionlimit , uses the equipment solely , the low end , the very manyenvironment like current capacity simulation and so on is unable torealize , cannot be very good connects rails with the practicalapplication , this is the biggest regret 本课题验证所采用的拓扑都是经典且具有一定代表性，增强了验证的可行性和可靠性，但是由于条件限制，所用设备单一，低端，很多环境如流量的模拟等无法实现，不能很好的与实际应用接轨，这是最大的遗憾。
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