The concept of equivalence matrix and its operation are discussed in this paper. 本文首先探讨了粗糙集中等价矩阵的基本概念及其运算性质。
With equivalence enthalpy descending analysis method, it is simple to calculate such operation loss of the thermal system. 应用等效焓降分析方法,可以很简捷的算出回热系统的运行参数偏差所引起的能损。
In the article, according to the turbine expansion theory and the equivalence enthalpy descending analysis method, a set of simple calculation formula for operation loss caused by main parameter deviation of coal-fuel power station and the simulating validation is proposed. 本文对主参数偏差引起的运行能损简捷计算公式及其常见运行能损分析项目进行了仿真验证。
By taking man-made satellite module layout for example, applying the properties such as isomorph and equivalence relation of several layout plans to set operation, trajectory and equivalence class, a globally optimal algorithm of circle element layout problem is given. 以人造卫星仪器舱布局为例,应用图论、群对集合的作用、轨道与等价类等刻划各种布局方案的同构、等价关系等性质,给出了圆形图元布局的问题的一种全局优化算法。
The equivalence of the external system is based on a basic operation condition. 外部网络等值是按预先假定的基本运行状态进行的。
According to the turbine expansion theory and with the equivalence enthalpy descending analysis method, a set of calculation formula for operation loss of coal-fuel power station with turbine expansion line variation is proposed. 利用汽轮机的膨胀理论,结合等效焓降分析方法,提出了一组适合于汽轮机膨胀线改变的火电机组运行能损在线计算公式。
In function rough set theory, it is a problem how to construct orginal function equivalence classes. Moreover, the strict inclusion relation and the operation of intersection restrict its application in many real-life problems. 函数粗集理论中,初始函数等价类如何给出以及函数粗集定义中的严格的包含关系及交运算限制了其在实际问题中的应用。