Bahrain and Israel have signed a series of key agreements formalizing bilateral ties.
巴林和以色列签署了一系列重要协议,使双边关系正式化。
NPR音讯 2021年2月合集
So when you talk about Russia, you know, already he's extended a key arms control agreement with Russia.
因此,就俄罗斯而言,他已经与俄罗斯达成了一项重要的军备控制协议。
BBC 听力 2015年8月合集
In a major step towards nomarlizing relations, Serbia and Kosovo sign several key agreements, including one giving Kosovo its own telephone country code for the first time.
In cryptography, a key-agreement protocol is a protocol whereby two or more parties can agree on a key in such a way that both influence the outcome. If properly done, this precludes undesired third parties from forcing a key choice on the agreeing parties. Protocols that are useful in practice also do not reveal to any eavesdropping party what key has been agreed upon.