...类 直觉主义逻辑的类型理论把公式作为类型,公式的证明是构造性的.从程序设计观点看,类型是程序规约 (Program specification),类型的元素是程序.在OOP中,类是一组对象的模板,它描述了这些对象的共同特 性,因此我们认为可把类作为一种类型,对象就是其...
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FSP是一类描述并发程序形式化规约的进程代数记法。
FSP is a kind of process algebra notation that can be used to describe formal specifications of concurrent programs.
使客户程序可以通过命名抽象超类和给定规约来创建对象。
Let clients create objects by naming an abstract superclass and by providing a specification.
结合S7—200系列plc的特点,制定了通信规约,画出了PLC的主程序流程图,并给出了部分调试结果。
The communicate stipulations of an agreement is constituted according as the characteristic of S7-200 PLC. The main procedure flow chat is drawn. The part of debugging result is shown.
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