短語詞組短語Path -follow constraint 路徑約束;途徑束縛Path Constraint Controller 路徑約束控制器Point -to-Path Constraint 點到路徑約束;點bi -constraint path problem 兩約束路由問題delay constraint shortest path 時延約束最短路徑CSPF Constraint Shortest Path First 約束路由計算 返回 path constraint