Dataset {
    Float32 /trajectoryNameLen[15];
    String /trajectory_id[15];
    Float64 /depth_time[919];
    Float64 /latitude[184];
    Float64 /latitude_time[184];
    Float64 /longitude[205];
    Float32 /depth[919];
    Float64 /longitude_time[205];
} cell-Normal.nc4;