关联边 meaning in Chinese

incident edge

One is to store the dual network of road network with the forward star structure , which is a compact network storage structure satisfying the needs of route planning . the other one is to straight store road network with the generalized forward star structure , which can represent turn restrictions and inter section delays
一种是采用满足路线优化需要的紧凑的路网存储结构? ?前向关联边结构存储路网的对偶网络；另一种是利用能够表达交叉口转向限制和交叉口延误的存储结构? ?扩展的前向关联边结构，直接存储路网。