Dataset {
    Float32 /trajectoryNameLen[15];
    String /trajectory_id[15];
    Float64 /latitude_time[3955];
    Float64 /longitude[4683];
    Float64 /longitude_time[4683];
    Float64 /latitude[3955];
    Float32 /depth[14440];
    Float64 /depth_time[14440];
} cell-Normal.nc4;