Dataset {
    Float32 /trajectoryNameLen[15];
    String /trajectory_id[15];
    Float64 /latitude_time[6];
    Float64 /longitude[6];
    Float64 /longitude_time[6];
    Float64 /latitude[6];
    Float32 /depth[11];
    Float64 /depth_time[11];
} cell-Normal.nc4;