Dataset {
    Float32 /trajectoryNameLen[15];
    String /trajectory_id[15];
    Float64 /depth_time[1702];
    Float64 /latitude[455];
    Float64 /latitude_time[455];
    Float64 /longitude[507];
    Float32 /depth[1702];
    Float64 /longitude_time[507];
} cell-Normal.nc4;