Dataset {
    Float32 /trajectoryNameLen[15];
    String /trajectory_id[15];
    Float64 /latitude_time[167];
    Float64 /longitude[183];
    Float64 /longitude_time[183];
    Float64 /latitude[167];
    Float32 /depth[293];
    Float64 /depth_time[293];
} cell-Normal.nc4;