Translation of "Authenticity" into Chinese

However, these “documents” cannot be authenticated, lack accuracy and have been interpreted by China in an arbitrary fashion.

然而,这些“文件”的真实性无法得到证实,缺乏准确性,而且中国一直对其任意解释。

So, what physically about the memos makes you now doubt their authenticity?

那麼 , 什麼 物理 有 關備 忘錄 使 你 現在 懷疑 它們 的 真 實性 ?

Controls cover standards for authentication and confidentiality, in government activity generally.

一般在政府活动中,控制措施涉及可靠性和保密性标准。