The third aspect is that it has no certificate management function.

不具备证书管理功能，非对等认证亦是一安全隐患；

youdao

Identity is based on the code instead of the user, and no certificate dialog boxes appear.

识别的依据是程序码而非使用者，并且不会出现凭证对话方块。

youdao

It returns an X509 pointer to the certificate or NULL if no certificate was presented (see Listing 1).

它返回一个指向该证书的X509指针，如果证书不存在，就返回NULL(参见清单1)。

youdao

"In summary,the man calling himself Barack Hussein Obama has no real birth certificate issued by the United States," the man said in an Internet video blog.

VOA: standard.2009.08.17

When Gaita Baikiao finished his doctorate in 1977 at Universitas Urbaniana in Rome, having studied social anthropology among other studies, he came back to Kenya and found that Njurinceke was dying, and the meeting spaces reserved for the elders were about to be alienated by land-grabbers because the organisation had no certificate of registration.

UNESCO: Patrimoine culturel immat��riel

The Board of Control for Cricket in India (BCCI) has granted the club a 'no objection certificate' for Sehwag.

BBC: Northants get clearance for batsman Virender Sehwag

Star batsman Virender Sehwag was poised to join the county for the Twenty20 campaign, only to have his 'no objection certificate' cancelled by India's Board.

BBC: Northants captain Nicky Boje targets silverware