Dataset {
    Float32 /trajectoryNameLen[15];
    String /trajectory_id[15];
    Float64 /depth_time[38];
    Float64 /latitude[42];
    Float64 /latitude_time[42];
    Float64 /longitude[47];
    Float32 /depth[38];
    Float64 /longitude_time[47];
} cell-Normal.nc4;