He handed her a piece of paper certifying (that) she was in good health.

他递给她一份她的健康证明书。

Certifying both did this for him and supplied the proof.

认证既为他完成了这一任务又为他提供了证明。

Here is a document certifying that I was born in France.

这是证明我出生在法国的文件。

Name and signature of the employers certifying authority.

雇主认证部门的名字和签名。

The endorsing signature of the Company certifying authority.

管架有限公司认证部门的批注签名。