Dataset {
    Float64 /longitude_time[45];
    Float32 /depth[37];
    Float64 /depth_time[37];
    Float64 /time_fix[31];
    String /trajectory_id[15];
    Float32 /trajectoryNameLen[15];
    Float64 /latitude_fix[31];
    Float64 /longitude[45];
    Float64 /latitude[42];
    Float64 /latitude_fix_time[31];
    Float64 /longitude_fix[31];
    Float64 /longitude_fix_time[31];
    Float64 /latitude_time[42];
    Float64 /time_fix_time[31];
} cell-Normal.nc4;