Density是什么意思

网络释义

用法例句

It is proved further that the set of complete formula truth degree in is dense one in 4-value logic system associated with a nonlinear ordering true value set;providing a basis for further establishing approximate reasoning theory of 4-valued propositional logic.

利用势为4的均匀概率空间的无穷乘积在四值逻辑系统中引入公式的真度概念,给出了真度推理规则,证明了真值集为非线性序集四值逻辑系统L24中全体公式的真度值之集在[0,1]上是稠密的,为进一步建立四值非线性序集逻辑系统的近似推理理论奠定了基础。

It is proved further that the set of complete formula truth degree in is dense one; and a general expression for formula truth degree is given also, providing a basis for further establishing approximate reasoning theory of 3-valued propositional logic.

利用势为3的均匀概率空间的无穷乘积在三值标准序列逻辑系统中引入了公式的真度概念,给出了真度推理规则,证明了全体公式的真度值之集在[0,1]上是稠密的,并给出了公式真度的表达通式,为进一步建立三值命题逻辑的近似推理理论奠定了基础。

The space C0∞(Ω) is dense in Hs(Ω) if and only if s≤1/2.

本文用简明的泛函分析方法证明在区域Ω上的非整数次Ｓｏｂｏｌｅｖ空间Ｈｓ（Ω）的稠密性定理，即当且仅当ｓ≤１／２，空间Ｃ０∞（Ω）在Ｈｓ（Ω）中稠密。

The Weak Density of the Rank One Subalgebra in Completely Distributive Subspace Lattice Algebras and a Characterization of Nest Algebras;

完全分配格代数中秩一子代数的弱稠密性和套代数的一个特征

Atomic decompositions and density of finite martingales in martingale spaces

鞅空间的原子分解与有限鞅的稠密性

Based on the practicalities and data discovered in recent 50 years, this article dissertates the existence and the denseness of pre-historical hamlet sites, and testifies that the pre-civilization of this area is quite vanced.

该地区近50年来考古发现的实物和资料说明史前村落遗址存在,且分布稠密,从而证明该地区的史前文明是比较发达的。

Based on Schuster's transport theory,the case of dense distribution of scatterers is considered here for plane parallel medium.

本文对半光和无光纤维材料的光散射问题进行了讨论，对于平行光束入射到光散射颗粒稠密分布的平面平行介质上的情形，利用Ｓｃｈｕｓｔｅｒ传输方程及其漫射近似方法对其光散射问题进行了分析，从而建立了散射光强度和粒子的尺度、密度及其光散射性质之间的关系。

The density of rational points on the circle;

关于圆周上有理点的稠密性

We research on describing preinvexity of functions in this paper by means of the density and weakly near convexity in the set.

利用集合的稠密性和弱近似凸性,进一步刻画函数的预不变凸性。

Firstly,the proof of the density of set is given .

首先给出了集合A={λ∈[0,1]:E(y)+λ(E(x)-E(y))∈x, x,y∈x}的稠密性证明,然后利用此引理并在映射E:RnRn为连续映射的条件下,给出了一类E-凸集合的一个充要条件,这样将集合E-凸性的验证转化为验证对某一个λ∈(0,1),λEx+(1-λ)Ey∈x是否成立,简化了该类E-凸集合的判别。

To solve the two problems,firstly this paper gives the denseness pr.

针对这两个问题,在混合Gamma分布稠密性的基础上,提出了一种通用的可靠性寿命数据拟合方法,给出了基于期望极大化(EM)算法的混合Gamma分布的参数估计方法,并通过6个拟合实例验证了该方法的有效性。

This thesis analyses the several different propositions about denseness of Rational Number Assemblage,clarifies the misunderstanding of this concept and tries to make denseness of Rational Number Assemblage in the textbook of Advanced Mathematics understood correctly and all-sidedly.

分析了关于有理数集的稠密性的几种不同提法,澄清了对这一概念的错误认识,使对高等数学教材中关于有理数集的稠密性有全面正确的理解。

The relationship between the number of Dirichlet solutions of differential operators with positive coefficients and spectral denseness is investigated.

研究了一类带有正系数的微分算子Dirichlet解的个数与谱的稠密性的关系。

population centre

ph.1. 人口稠密区

the populous areas near the coast

沿海人口稠密的地区.

a thick grouping of similar things.

稠密的相似事物的集合。

among countries with high population density

在人口稠密的国家里

The slopes of the hills have been densely planted with tea bushes.

山坡上种了稠密的茶树。

The hills have been densely planted with fruit trees.

山上种满了稠密的果树。

Denseness is not continuity.

稠密性不是连续性。

in the thickest part of the crowd

人群中最稠密之处.

That whole North Castle area is a rabbit warren.

整个北堡地区人口稠密。

areas of dense/sparse population

人口稠密 [稀疏]的地区.

These countries are densely populated.

这些国家的人口稠密。

This area is heavily populated.

这一地区人口稠密。

a densely [sparsely] populated district

人口稠密 [稀少] 的地区

a thickly populated (thinly populated) district

人口稠密（稀少）的地区

densely/thickly/sparsely/thinly populated regions

人口密度大[稠密/密度小/稀疏]的地区.

Having relatively high density.

稠密的有相对较高的密度的

The pop song is popular in the populous city.

这首流行歌曲在人口稠密的城市流行.

China is the most populous country in the world.

中国是世界上最人口稠密的国家。