Not provably valid or not valid.

不可证明为有效或无效。

Any of their type arguments are provably distinct.

他们的类型参数的任何一个都被证明是不同的。

What you see in life is absolutely and provably not what you get.

你在生活中看到的东西很可能会被证明并非如此。

You know, I think... uh, I don't think that that is provably true.

你知道，我认为…嗯，我不认为那是可证实的事实。

Then, we propose a provably secure and ID-Based group signature scheme.

接着提出了一个基于身份的可证明安全的群签名方案。