除了这个标准以外，令人期待的是列入第二纵队的要求更高水平认证的标准和第三纵队，推荐为良好的操作习惯。
In addition to these criteria , it is desirable to aspire to those criteria specified in column 2 for the higher level certification and column 3 , recommendations on good practice .
第二纵队