ConcreteState（具体状态类）：它是抽象状态类的子类，每一个子类实现一个与环境类的一个状态相关的行为，每一个具体状态类对应环境的一个具体状态，不同的具...
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针对以上问题研究了一类脉冲控制方法，给出了此类脉冲拉制函数的具体表达式。解决了脉冲作用后的状态向量的单侧连续。
An impulsive control method is discussed and the expression of the impulsive controlling function is given, thus solving the hypothetic mode of state vectors in traditional methods.
本文提出了部分预应力砼构件基于两类极限状态直接控制的设计方法，并给出了具体的设计公式和设计步骤。
The authors put forward a design method of Partially Prestressed Concrete members, Which is based on the direct Controlling of two Kind of limit state and also the design formula and design steps.
在系统设计部分，分别阐述了状态图、序列图、类图的基本概念，并结合FH98网管软件，说明其具体实施方法。
In the system design phase, the article described the concept of state diagram, sequence diagram and class diagram, as well as how to use these diagram in FH98 network management software.
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