Dataset {
    Float32 /trajectoryNameLen[15];
    String /trajectory_id[15];
    Float64 /depth_time[47];
    Float64 /latitude[18];
    Float64 /latitude_time[18];
    Float64 /longitude[27];
    Float32 /depth[47];
    Float64 /longitude_time[27];
} cell-Normal.nc4;