Dataset {
    Float32 /trajectoryNameLen[15];
    String /trajectory_id[15];
    Float64 /latitude_time[164];
    Float64 /longitude[166];
    Float64 /longitude_time[166];
    Float64 /latitude[164];
    Float32 /depth[287];
    Float64 /depth_time[287];
} cell-Normal.nc4;