Dataset {
    Float32 /trajectoryNameLen[15];
    String /trajectory_id[15];
    Float64 /latitude_time[13];
    Float64 /longitude[9];
    Float64 /longitude_time[9];
    Float64 /latitude[13];
    Float32 /depth[6];
    Float64 /depth_time[6];
} cell-Normal.nc4;