Dataset {
    Float32 lat[lat = 23];
    Float32 lon[lon = 20];
    Float32 time[time = 1021];
    Grid {
     ARRAY:
        Float32 int_dlon[lat = 23][lon = 20][time = 1021];
     MAPS:
        Float32 lat[lat = 23];
        Float32 lon[lon = 20];
        Float32 time[time = 1021];
    } int_dlon;
} int_dlon;