Dataset {
    Float32 /trajectoryNameLen[15];
    String /trajectory_id[15];
    Float64 /latitude_time[1054];
    Float64 /longitude[1122];
    Float64 /longitude_time[1122];
    Float64 /latitude[1054];
    Float32 /depth[2729];
    Float64 /depth_time[2729];
} cell-Normal.nc4;