ROS入门之——浅谈launch:https://blog.youkuaiyun.com/weixin_41995979/article/details/81784987
ROS launch总结:https://www.cnblogs.com/Jessica-jie/p/6961837.html
ros如何编写launch文件:https://blog.youkuaiyun.com/wawayu_0/article/details/79414688
ROS节点订阅与发布:https://blog.youkuaiyun.com/qq_31356389/article/details/79095040
ROS里程计的学习(odometry) :https://blog.youkuaiyun.com/zhu751191958/article/details/79322364