1) probability difficulty
概率难度
1.
Firstly, the paper puts forward the ideas:frequency difficulty and probability difficulty.
本文首先给出了频率难度和概率难度的概念 ,其次是对两种题型下备选答案的难度与试题的难度的关系进行分析、比较 ,最后得出了在标准化考试中 ,当单项选择题与多项选择题在规定满分相同的情况下 ,单选题的备选答案应该难些 ,多选题的备选答案应该简单些才合理 ;而当二者的备选答案难度相同时 ,单选题的规定满分应该少些 ,多选题规定的满分应多些才合理的结
2) frequency difficulty
频率难度
1.
Firstly, the paper puts forward the ideas:frequency difficulty and probability difficulty.
本文首先给出了频率难度和概率难度的概念 ,其次是对两种题型下备选答案的难度与试题的难度的关系进行分析、比较 ,最后得出了在标准化考试中 ,当单项选择题与多项选择题在规定满分相同的情况下 ,单选题的备选答案应该难些 ,多选题的备选答案应该简单些才合理 ;而当二者的备选答案难度相同时 ,单选题的规定满分应该少些 ,多选题规定的满分应多些才合理的结
3) probability density
概率密度
1.
A method of independent component analysis based on the estimation function for the probability density;
基于估计概率密度函数的独立分量分析方法
2.
Combining with linear corrosion development model,the evolution of probability density function of buried pipeline's area corrosion ratio as service time increases is derived on the basis of total probability formula.
利用马尔可夫过程,提出了管线腐蚀的发生模型,然后结合线性腐蚀发展模型,采用全概率公式,给出了埋地管线面积腐蚀率随服役时间变化时的概率密度函数解析表达式。
3.
This paper presents a new method to determine the stability limit of machine tool chatter with the change of probability of the acceleration signal amplitude distributed in a certain range on the basis of the study of the change of the acceleration signal probability density function from the stable cutting to instable cutting.
在研究切削过程从平稳到失稳的过程中振动加速度信号的概率密度函数变化的基础上，提出利用加速度信号的幅值分布在某一指定区间上概率值的变化来确定机床稳定性极限的方法。
4) density of probability
概率密度
1.
It is analyzed chaotic sequences generated by a widely studied discrete time dynamic system of mapped 3-Chebyshev,study the density of probability of chaotic sequences generated by 3-chebyshev.
讨论了一种离散时间动态系统(3阶Chebyshev)所产生的数字混沌序列,研究了它的概率密度,为满足数字通信的实际需要,提出了该混沌序列的数字实现方法。
5) probability measure
概率测度
1.
Data mining expand model research based on probability measure;
基于概率测度的数据挖掘扩展模型研究
2.
The average direct theorems obtained means that the order of average error bounds of best approximation is determined by the structural properties of functions in a set in which the probability measure is supported.
讨论了Ｗｉｅｎｅｒ空间上连续函数最佳逼近平均误差界的阶，它由概率测度及其所支撑的集合上其函数的结构性质决定。
6) probability truth degree
概率真度
1.
The Theory of Probability Truth Degree in Standard Serial Logic System S_3
标准序列逻辑系统S_3中公式的概率真度理论
2.
Conditional probability truth degree of formulas in continuous value propositional logic system
连续值命题逻辑系统中公式的条件概率真度
3.
The definition of truth degree in the classic two-valued proposition logic formula is populared to the uneven probability space whose power is 2,and two-valued logic(p,q) measure and its proposition probability truth degree are defined.
将经典二值命题逻辑中公式的真度概念推广到势为2的概率空间上,定义了二值逻辑(p,q)测度和其上命题的概率真度;在〔1/3,2/3〕的情形下证明了全体公式的概率真度之集在[0,1]中是稠密的,并给出了公式概率真度的表达通式。
补充资料：难度海
【难度海】
（譬喻）谓生死海也。生死之海，深广难渡也。六十华严经五曰：“已度难度海。”十住毗婆沙论易行品曰：“乘彼八道船，能度难度海。”
（譬喻）谓生死海也。生死之海，深广难渡也。六十华严经五曰：“已度难度海。”十住毗婆沙论易行品曰：“乘彼八道船，能度难度海。”
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条