Dataset {
    Float32 /trajectoryNameLen[15];
    String /trajectory_id[15];
    Float64 /latitude_time[84];
    Float64 /longitude[85];
    Float64 /longitude_time[85];
    Float64 /latitude[84];
    Float32 /depth[66];
    Float64 /depth_time[66];
} cell-Normal.nc4;