Dataset {
    Float32 /trajectoryNameLen[15];
    String /trajectory_id[15];
    Float64 /depth_time[17282];
    Float64 /latitude[1175];
    Float64 /latitude_time[1175];
    Float64 /longitude[1447];
    Float32 /depth[17282];
    Float64 /longitude_time[1447];
} cell-Normal.nc4;