查询词典 summations

The specific decomposition of the terms depends on the force field, but a general form for the total energy in an additive force field can be written as where the components of the covalent and noncovalent contributions are given by the following summations

特别的分解项依赖于力场，但是总能力的一般的形式在增加力场可以写为，这里共价键和非共价键贡献可以写为

Even if you're familiar with summations, integrals, polynomials, exponents, etc., if you see a thick nest of them your inclination is probably to skip right over that sucker as one atomic operation.

即使你熟悉累加，积分，多项式，指数，等等，如果你看到一堆符号堆彻的异常复杂时，你就把他实现的功能简单的当成一个原子操作好了，不要深究太多。

Based on the fundamental of distillation, MESH model including equations of mass balance, phase equilibrium, mole fraction summations and heat balance for atmosphere-vacuum distillation column was established. The key parameter such as temperature and pressure of product was obtained through solution of the model on Pro/Ⅱ platform. The comparison of simulation results with requirement of spot technology was analyzed.

基于蒸馏原理，对常减压蒸馏塔建立包含质量平衡、相平衡、摩尔分数归一化和能量平衡等方程构成的MESH模型，在Pro/Ⅱ平台上进行流程模拟，获得各塔侧线产品的温度和压力等关键参数，并与现场工艺要求进行对比。

On the basis of experienced engineering technicians,constant research,development a n d summations,a series of new-typed double screw extruders of high torque a n d speed a n d deep groove come into being.

拥有一批经验丰富，实力雄厚的工作技术人员，在研制开发和不断总结的基础上，一系列高扭矩，高槽深，高转速的新型双螺杆混炼机应运而生。

All the angular integrations and spin summations involved in the problem have been carried out explicitly. The energy is expressed finally as a sum of radial integrations.

完成了所有角向积分和自旋求和计算，使精细结构能量表示为若干个径向积分之和。

Even if youre familiar with summations, integrals, polynomials, exponents, etc., if you see a thick nest of them your inclination is probably to skip right over that sucker as one atomic operation.

即使你熟悉累加，积分，多项式，指数，等等，如果你看到一堆符号堆彻的异常复杂时，你就把他实现的功能简单的当成一个原子操作好了，不要深究太多。

In a word, a new method that theoretically calculates the relativistic corrections and the fine structure of the energy levels in two-electron atom, including the atomic Hamiltonian expressed by spherical tensors, the calculation of the angular matrix elements and the summations over spin of the various interactions in the atomic Hamiltonian, and the approximate calculation of the radial matrix elements, has been provided in this thesis.

总之，本文为双电子原子能级的相对论修正和精细结构的理论计算提供了一种新的方法，包括原子哈密顿算符的球张量表示方法、原子哈密顿中各种相互作用项的角向矩阵元和自旋求和的计算方法，以及径向矩阵元的近似计算方法。

On the basis of the investigation of different moments, the concept of generalized moments is firstly defined and then, an abstract algorithm framework for computing the accurate generalized moments is presented. The framework replaces integrals on 2-dimensions space by summations on 1-dimension ORBIR list without introducing the error incurred by discrete sampling, and therefore, reduces the computation complexity for moments generation.

矩在工程实践中的应用非常广泛，在考察矩的实质的基础上，定义了泛化矩的概念，并研究泛化矩的生成框架，该框架在不引入离散化过程中存在的采样误差的前提下，将矩生成过程中需要的二重积分运算转化为在一维的ORBIR矩形序列上的求和，因此降低了矩生成的计算复杂度。

All the angular integrations and spin summations involved in the problem have been carried out explicitly, the energy is expressed finally as a sum of some radial integrations.

完成了所有的角向积分和自旋求和计算，自旋-其它轨道相互作用能最终用径向积分来表示。

The nascent product distributions of CaH have been found with a Boltzmann rotational temperature of 1012±102 K and 834± 70K for the v=0 and 1 levels, respectively, and summations of the=(0,0) and=(1,1) rovibrational intensities separately show that the population ratio of CaH(v=0)/CaH(v=1) yields a value of 3.97+0.26, which corresponding to a Boltzmann vibrational temperature of 1313±173 K.

藉由转动振动光谱，可以进一步推测得知初生态CaH的转动分布，并可推得波兹曼转动分布温度在振动态v=0及v=1时分别为1012±102K及834±70K。且可得知初生态CaH在不同的振动态v=0及v=1的分布比例是CaH(v=0)/CaH(v=1)=3.97±0.26，其所对应到的波兹曼振动温度为1313±173K。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。