Dataset {
    Float64 /longitude_time[3];
    Float32 /depth[4];
    Float64 /depth_time[4];
    Float64 /time_fix[18];
    String /trajectory_id[15];
    Float32 /trajectoryNameLen[15];
    Float64 /latitude_fix[18];
    Float64 /longitude[3];
    Float64 /latitude[3];
    Float64 /latitude_fix_time[18];
    Float64 /longitude_fix[18];
    Float64 /longitude_fix_time[18];
    Float64 /latitude_time[3];
    Float64 /time_fix_time[18];
} cell-Normal.nc4;