However, geographic routing faces a local minimum problem when greedy forwarding strategy fails.
可是，基于地理位置信息的路由面临一个贪婪转发策略失败的本地最小问题。
The local minimum problem is a much important factor which restricts the performance of the classic LBG algorithm.
经典LBG算法的局部极小值问题是制约其性能的重要因素。
An obstacle isolation method is used for T-type obstacle situation which can solve the local minimum problem of potential field and help the robot go through quickly.
针对在障碍物环境下的局部最小值问题，采用区域隔离障碍物的方法，使机器人快速走出局部最小值区域。
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