Dataset {
    Float32 /trajectoryNameLen[15];
    String /trajectory_id[15];
    Float64 /latitude_time[269];
    Float64 /longitude[297];
    Float64 /longitude_time[297];
    Float64 /latitude[269];
    Float32 /depth[1134];
    Float64 /depth_time[1134];
} cell-Normal.nc4;