Dataset {
    Float64 /longitude_time[17];
    Float32 /depth[25];
    Float64 /depth_time[25];
    Float64 /time_fix[8];
    String /trajectory_id[15];
    Float32 /trajectoryNameLen[15];
    Float64 /longitude[17];
    Float64 /latitude[17];
    Float64 /latitude_time[17];
    Float64 /time_fix_time[8];
} cell-Normal.nc4;