1.
Non-repudiation – ensure that a party to a genuine transaction cannot falsely deny their participation
不可否认性——确保进行真实交易的一方不能否认他们的参与
2.
It has the properties of fairness, non-repudiation, secrecy, termination, etc.
其基本性质有：公平性、不可否认性、可终止性、实用性、高效性、机密性等。
3.
As Levy observes, “This nonrepudiation feature is the electronic equivalent of a notary public seal.
正如列维认为：“这种不可否认性特征是公证人印章的电子等价物。”
4.
There is no denying that...
事实不可否认...
5.
The urgent need for nuclear nonprolifeation is undeniable .
防止核扩散的紧迫性是不可否认的。
6.
Analysis and Improvement of Timeliness of a Multi-Party Non-Repudiation Protocol
多方不可否认协议时限性分析与改进
7.
Non-repudiation and accountability for e-banking transactions.
电子银行交易的不可否认与可追查责任特性。
8.
We are not in denial of impending, dreadful possibilities.
我们并不否认有随时发生可怕情况的可能性。
9.
impossible to deny or disprove.
不可能否认或者驳倒。
10.
Facts are stubborn.
[谚]事实是不可否认的。
11.
There is no gainsaying his honesty.
他的诚实是不可否认的。
12.
These denials are simply not credible.
这些否认是不可信的。
13.
He was undeniably a prospeorus man.
不可否认，他一帆风顺。
14.
to an undeniable degree or in an undeniable manner.
到了不可否认的程度或者以不可否认的方式。
15.
There is no denying that every thing has one more face and ... is no exception.
不可否认，每一件事物都有其两面性，其实，______也不例外。
16.
Admittedly, it was difficult, but it wasn't impossible.
无可否认地它是很难,但并非不可能。
17.
Non-repudiation protocol is a special network protocol which provides non-repudiation service.
不可否认协议正是专门为了提供不可否认服务而设计的网络协议。
18.
"Oh no," objected Tom quickly, "not me."
“不是的，”汤姆连忙否认，“我可不是。”