ROS中的/map话题的所属类型和定义是?()
A.nav_msgs/OccupancyGrid消息 std_msgs/Header header nav_msgs/MapMetaData info int8[] data
B.nav_msgs/Map消息 std_msgs/Header header nav_msgs/MapMetaData info int8[] data
C.nav_msgs/MapMetaData消息 time map_load_time float32 resolution uint32 width uint32 height geometry_msgs/Pose origin
D.nav_msgs/Map消息 time map_load_time float32 resolution uint32 width uint32 height geometry_msgs/Pose origin