既是一个时序逻辑系统也是一个程序设计语言，它能表示普通高级语言中几乎所有的重要机制。
XYZ/E is a temporal logic system as well as a programming language. It can represent almost every kind of significant features in conventional imperative languages.
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。
Using temporal logic and algebra, a formal requirement language was presented and used to describe the formal hierarchy requirements for cryptographic protocols.
利用CPLD复杂可编程逻辑器件，结合VHDL硬件描述语言，设计了一种线阵CCD驱动时序电路。
Use CPLD and VHDL together to design the time sequence driving circuit for a kind of linear CCD.
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