sara_sensors_pkgs 注意：pc2l和ouster软件包应从获得 依赖关系和安装 系统空间包sudo apt-get install ros-melodic-jackal* sudo apt-get install ros-melodic-velodyne* sudo apt-get install ros-melodic-pointcloud-to-laserscan sudo apt-get install ros-melodic-realsense2* sudo apt-ge