Dataset {
    Float32 lon[lon = 20];
    Float32 time[time = 1021];
    Grid {
     ARRAY:
        Float64 int_dlon[lon = 20][time = 1021];
     MAPS:
        Float32 lon[lon = 20];
        Float32 time[time = 1021];
    } int_dlon;
} int_dlon;