Using temporal logic and algebra, a formal requirement language was presented and used to describe the formal hierarchy requirements for cryptographic protocols.

采用近世代数和时序逻辑的方法定义了形式化描述语言，并形式化地描述了密码协议的分层安全需求。

youdao

I haven't actually taken my language requirement here,

我还没修语言方面要求的课程呢，

什么是认知科学？ - SpeakingMax英语口语达人

Should we make it a national effort to add a computer programming language requirement?

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Math, English, a language (although requirement has just been dropped) a science of some kind and so on.

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Mr. Graham, in an interview, said that in his mind the language refers to a requirement for biometric ID cards.

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