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1)  The number's of singlton (sub)sets
单点(子)集个数S
2)  The number P of pair (sub)sets
双点(子)集个数P
3)  The number T of triple (sub)sets
三点(子)集个数T
4)  function one direction S-rough sets
函数单向S-粗集
1.
Function one direction S-rough sets(function one direction singular rough sets) was defined by the R-function equivalent class [u],which has dynamic characteristic,and the function one direction S-rough sets has law(function) characteristic.
函数单向S-粗集(Function one direction singular rough sets)是用具有动态特性的R-函数等价类[u]定义的,函数单向S-粗集具有规律(函数)特征。
2.
Based on the functions generated from the upper approximation and the lower approximation in function one direction S-rough sets,the concept and characteristics of rough area and double rough integrals were given.
以函数单向S-粗集的上、下近似生成的函数为基础,提出了粗区域的概念,进而提出基于函数单向S-粗集的二重粗积分的概念,研究其性质得出了二重粗积分是普通二重积分、一元粗积分的推广。
3.
Using function one direction S-rough sets(function one direction singular rough sets),this paper presents the concepts of fp-state,the distance of state,and the system state being randomly disturbed by fp-law.
利用函数单向S-粗集,提出了fp-状态、状态距离、系统状态被fp-规律随机入侵的概念。
5)  function one-direction S-rough sets
函数单向S-粗集
1.
An F-model generated by function one-direction S-rough sets;
函数单向S-粗集生成的F-模型
2.
It was proved that a function one-direction SPF-rough set was the generalization of function one-direction SPF-rough sets,and the function one-direction S-rough sets was a special case of function one-direction SPF-rough sets according to t.
证明了在概率的意义下,函数单向SPF-粗集是函数S-粗集,函数单向S-粗集的推广;函数S-粗集,函数单向S-粗集是函数单向SPF-粗集的特例。
6)  dual of function one direction S-rough sets
函数单向S-粗集对偶
1.
■-model generated by dual of function one direction S-rough sets
函数单向S-粗集对偶生成的■-模型
2.
Using dual of function one direction S-rough sets(Dual of function one direction singular rough sets),this paper presents the concepts of p-state,the distance of state,and the system state being randomly disturbed by p-law.
函数单向S-粗集对偶是函数S-粗集(function singular rough sets)的基本形式之一。
3.
Based on functions generated from the upper approximation and the lower approximation in dual of function one direction S-rough sets,the definition of rough area,and the definition of double rough integrals was given and there dynamic characteristics were pointed out.
以函数单向S-粗集对偶的上、下近似生成的函数为基础,提出了粗区域的定义,二重粗积分的定义及其动态特征,通过动态特征给出了扩张度和扩张率的概念,并且通过计算扩张度和扩张率来度量系统受干扰的程度。
补充资料:点振子振动和点电极振子振动
分子式:
CAS号:

性质:又称点振子振动和点电极振子振动。振动能量绝大部分集中在点电极范围内,形成“能量封闭”的振动模式。振子电极面远小于压电陶瓷片的总面积,且与厚度有适宜的匹配关系。在交变电场作用下,沿厚度方向产生振动,其振幅随着至电极中心距离的增加,呈指数式衰减。谐振频率与压电陶瓷片的厚度有关。为提高频率通常将压电陶瓷片磨得很薄,有时考虑到压电陶瓷自身强度太低,可用特制的陶瓷片作垫片来防止压电陶瓷片损坏。常用于高频场合。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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