Dataset {
    Float32 lon[lon = 21];
    Float32 time[time = 1018];
    Grid {
     ARRAY:
        Float64 int_dlon[lon = 21][time = 1018];
     MAPS:
        Float32 lon[lon = 21];
        Float32 time[time = 1018];
    } int_dlon;
} int_dlon;