Dataset {
    Float32 BaseYears[BaseYears = 29];
    Float32 T[T = 348];
    Grid {
     ARRAY:
        Float32 partial_T[BaseYears = 29][T = 348];
     MAPS:
        Float32 BaseYears[BaseYears = 29];
        Float32 T[T = 348];
    } partial_T;
} partial_T;