查询词典 calculation

Odd and even function's integral calculation is a kind of particular operation in integral calculus ,if the character of odd and even function can be applied flexibly in the process of calculating,it will play a role of simplifying calculation.

奇偶函数的积分计算是积分学中的一种特殊运算，在计算过程中如能巧用奇偶函数的性质，往往可以起到化难为易、简化计算的作用。

First the new total losses calculation method is implemented by means of the classification of variable loss and invariable loss. Hereby, the optimal voltage curve corresponding to the minimum total losses could be conveniently obtained according to the given torque curve. Then the calculation and implementing method for optimal voltage under every running condition are put forward by use of on-line measured field input quantities.

按照不变损耗和可变损耗新的划分方式得到相应的损耗计算方法；据此，根据给定的转矩曲线，能方便地得到总损耗最小所对应的最优电压曲线，进而提出由现场在线可测输入量求得各种工况下最优电压的方法。

In order to eliminate the shortcomings of onerousness of calculation and of too many memory spaces needed in the practical calculation of establishing the heat transfer mathematical model of flame furnace by the zone method,"furnace section imaginary area" zone method has been developed in this paper.

本文针对区域法在建立火焰炉热交换数学模型的实际计算中存在计算层次太多、占计算机内存太大的缺点，提出了"炉段假想面"区域法。

In this paper,it has studied the method of dealing with changing parameter.It is derived for the optimal flight trajectory calculation model from minimum theory.A simple calculation method is applied in calculating differential equations of two points boundary value question.

针对变参数的处理方法进行了研究，给出了计算时间最短水平机动运动的数学模型，并提出了一种简单适用的两点边值问题数值计算方法。

A calculation model is established for the corrugation and annular flow field of a stratification injection allocator by using 3D Max and it is put into VR environment of PHOENICS and based on the actual geometric size of the allocator,κ-ε turbulent calculating model is used for numerical calculation of water medium flow field by using orthogonal and detail grid under coordinate system.

用3D Max建立了分层配注器波纹环空流场的计算模型，调入PHOENICS的VR编辑环境中，根据实际配注器的几何尺寸，在柱坐标系下，采用局部加密正交网格，应用k-ε湍流计算模型对水介质流场进行了数值计算，给出流场的速度分布与压力分布曲线，并对比分析了3种形状的波纹环空流场的数值计算结果。

A calculation method and calculation results that show that a new kind of shaped paraboloid antennas can produce a ringy radiation pattern is presented.

通过数值计算发现将抛物线绕通过焦点的非抛物线对称轴旋转而形成的赋形抛物面天线可产生环状的方向图主瓣(此主瓣指的是主瓣最大值处)。

Based on the characteristics of transaction curve and parallel line,the calculation formulas of boundary line parameters and length are derived,providing theoretical support for higher grade highway design,and determination,as well as practical formula for calculation,also providing mathematics model for dealing with linear data which are obtained through road survey.

本文从讨论缓和曲线边线的性质着手，对缓和曲线的曲线长度与对应的曲率半径变化规律作了分析比较，证明了缓和曲线的平行线不再具备缓和曲线的性质，如果把边线仍当作缓和曲线处理则会引起路线宽窄的变化。

This paper uses unsaturated soil Alonso elasto-plastic model to analyze the influence of model parameter value on numerical calculation. And the result shows that Finite Element numerical calculation which adopts the specimen integral deformation model parameter will generate errors, and overestimates unsaturated soil strength.

应用非饱和土Alonso弹塑性模型研究探讨了模型参数取值对非饱和土数值计算结果的影响，使用包含端部约束影响的试样整体变形确定的模型参数进行有限元数值计算将产生误差，同时也高估了非饱和土体的强度。

The methods of parametric calculation and circuit equation calculation are also introduced.

阐述了超高压电压互感器冲击电压分布计算的电路模型、参数计算和电路方程计算的方法，计算了三种不同结构的模型，并就这些结构的特点对冲击电压分布的影响进行了比较。

According to the characteristic that the definition point of the Q matrix of wave front is always located on the extremum point on the axis of the beam, a three-dimensional formula for the rectificative factor of phase in complex ray paraxial approximation is proposed, which calculates the rectificative factor of phase directly without considering the calculation of the main directions and curvatures and the rotation of the coordinates, thus simplifying the paraxial approximation calculation by the complex ray expansion method.

根据波前Q矩阵的定义点总位于波束轴上极值点的特点，提出了三维复射线近轴近似相位校正因子计算公式。该公式不用考虑主方向和主曲率的计算和坐标旋转，直接计算相位校正因子，从而简化了复射线展开法的近轴近似计算。

Finally it offers the analysis of the fault-tolerance system as well as its test verification.

这样，运行于空间环境中的系统的设计目标就是在保证系统实时性

However, it is still difficult to find out the real reason of the increase of the keratinized gingiva during the orthodontic extrusion whether it is due to the proliferation of the gingival tissue or to its elastic nature, that is because the proliferation of the fibroblasts as well as the connective tissue changes in volume and the intra-fibers spaces were all immeasurable in most of the studies.

然而，仍然难以找到真正的原因增加的角化牙龈在正畸挤压它是否是由于扩散的牙龈组织或其弹性性质，这是因为增殖的成纤维细胞以及作为结缔组织的变化量和内部纤维空格都是不可估量的，大多数的研究。