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王
@小鱼 我已经学完了ros2入门教程 看了bt tree的功能介绍 感觉bt tree 可以做很多实用的功能，但是看了看nav2的简易教程 一头雾水，完全不清楚调用的流程
小
@vico1999 重新安装下ROS看看
