查询词典 subscript variable

The results indicate that the serpentine cat's-eye mainly consists of chrysotiles, which show the characteristic diffraction lines d(subscript 202, 006)=0.2446nm (I/I0=29) and d(subscript 202, 006)=0.2451nm (I/I0=27) in the XRD pattern; two absorption bands near 3600~3690cm^(-1) and three characteristic IR absorption bands around 960~1100cm^(-1) and one weak shoulder absorption band in the IR patterns.

结果表明，四川蛇纹石猫眼的主要组成矿物为纤蛇纹石，具有斜纤蛇纹石d(下标 202。 006)=0.2446nm(I/I0=29)和d(下标 202。 006)=0.2451nm(I/10=27)X射线粉晶衍射的特征谱线；在960~1100cm^(-1)间红外图谱分裂成3个明显的谱带，570cm^(-1)附近的红外谱带以肩状出现，在3600~3690cm^(-1)的高频区出现两个谱带。

The high level of Al(subscript 2)O(subscript 3) in the fly ash is yielded during the transformation and decomposition of kaolinite and boehmite in the feed coal at a high temperature, commonly between 950~1200℃ Very low level (1.9%) of quartz in all minerals of the coal has correspondingly elevated the Al2O3:SiO2 ratio of the fly ash up to 1.50, which is three times of common fly ash in China.

粉煤灰中高Al2O3含量来源于煤中丰富的高岭石和勃姆石矿物在电厂高温下的转化和分解产物；石英仅占煤中矿物组分的1.9%，也相应地提高了粉煤灰中的Al2O3/SiO2：质量比，使得这一比值达到1.50，是常见粉煤灰的3倍左右。

In this paper, we argue that the new Cerenkov line-like radiation mechanism suggested by You et al. can provide a solution for the puzzle of EW(subscript Kα)/EW(subscript Kβ). We present a detailed model consideration and theoretical calculation.

给出了详细的模型考虑和理论计算，结果表明活动星系核中产生铁K线的机制不只有莹光机制还有Cerenkov线状辐射机制。

Weconjecture that in the canonical basis there must be enough polynomial ele-ments in multiple variable, which include independent multiple variable anddependent multiple variable.

我们猜测：在典范基中一定存在足够多的多变量的多项式元素，包括独立多变量的多项式元素和相关多变量的多项式元素。

Function and limit, one-variable calculus and its application, ABC of progression and multiple-variable calculus, determinant, matrix and its calculation, system of linear equations and quadratic form, probability of occurrence, chance variable, law of large numbers and central limit theorem, sample and

本课程主要介绍函数和极限，一元微积分和它的应用，ABC级数和多元微积分，行列式和矩阵的应用，线性方程和二次方程式，事件的概率，偶然性变量，大数定律和中心极限定理，样本和参数估计，方差分析，回归分析。

Function and limit, one-variable calculus and its application, ABC of progression and multiple-variable calculus, determinant, matrix and its calculation, system of linear equations and quadratic form, probability of occurrence, chance variable, law of large numbers and central limit theorem, sample and parametric estimation, variance analysis, regression analysis.

Advanced Mathematics 1 [Course Code 1040008 MAT114] 本课程主要介绍函数和极限，一元微积分和它的应用，ABC 级数和多元微积分，行列式和矩阵的应用，线性方程和二次方程式，事件的概率，偶然性变量，大数定律和中心极限定理，样本和参数估计，方差分析，回归分析。

As for continuous random variable, the connection of distribution function between random variable and its function -- a new random variable can be obtained first according to the definition of distribution function, then the connection between distribution densities can be obtained by derivation; thus the distribution density is solved.

对于连续型随机变量ξ来说，可由分布函数的定义先求出随机变量ξ和它的函数η=f这个新的随机变量的分布函数之间的联系，然后通过求导，得到密度函数之间的联系，从而求得η的分布密度。

As to the risk model with random premium rate, we concerned with discrete random variable, continuous random variable and general random variable. We derive the formula of ruin probability, the extreme during the total duration of negative surplus and the joint distribution of the surplus immediately before ruin and the deficit at ruin.

对于保费率为随机变量的一类风险模型，本文就离散的随机变量、连续的随机变量、一般的随机变量三个方面进行讨论，运用概率方法和风险理论的方法推导出破产概率、末离前最大盈余分布、破产前瞬时盈余与破产赤字的联合分布等精算量分布的一般公式。

The characteristic function of the probability density function of response variable is obtained by the high efficient multidimensional numerical integration method or convolution integral based on response surface method. Then the discrete probability density function of response variable is calculated using the fast Fourier inverse transform technique, at last the cumulative distribution function of the response variable can be quantitatively determined.

首先利用高效多维数值积分方法或基于响应面法的卷积积分求解功能函数的分布函数的特征函数，也就是进行Fourier正变换；然后利用快速Fourier逆变换数值求解功能函数的概率密度函数，进而求得失效概率。

In the model investment, pavement distress and transportation capacity are selected as the decision variable, the state variable and the output variable, respectively.

基于投资决定路况、路况决定运力这一事实，以投资、路况和运力分别为控制变量、状态变量和输出变量，建立了道路系统的状态空间模型。

Bob Eckert has been chairman and chief executive of Mattel for eight years.

美泰董事长兼首席执行官鲍勃·埃克尔特在任已8年。

The outlook for honors and disgraces carries on and surpasses the traditional outlook for honors and disgraces theoretically, and carries on and develops the theory of construction of socialist mora...

社会主义荣辱观的提出在理论上是对传统荣辱观的一次继承和超越，是对社会主义道德建设理论的继承和发展，在实践上有利于形成良好的社会风尚。