查询词典 numerical computation

Using the user-defined model function of PSASP, transient stability computation is carried out and different models of hydraulic system are taken into consideration. The effect of different hydro-turbine and conduit system models on transient stability computation is compared and analyzed.

利用电力系统分析综合程序提供的用户自定义模型接口功能，在多机系统暂态稳定计算中分别计入水力系统不同模型，分析了水轮机和输水系统不同模型对暂态稳定计算结果的影响。

The inference in Credal network is the computation of tight lower and upper bounds for conditional probabilities.A new algorithm for inference in Credal networks is presented based on the framework of bucket elimination.The burden of computation is alleviated by enumerating some of values and the accurate result is obtained.

Credal网络的推理是计算一定证据下的后验概率最大值和最小值，给出了一种Credal网络推理的新方法，该方法是在桶消元框架下通过枚举计算部分因子函数值，使计算量大大减小，并且可以得到精确的结果。

It not only provides lower computation and communication, but also message confidentiality, authentication, unforgeability, non-repudiation, resisitance of malicious verifiers cheating others and so on, thus it satisfies the request of group communication and has great practical value and application prospect for the restriction of storage and computation developed hardware.

该方案综合了对称加密、 Shamir 门限方案和 Junn 方案的优点，除了计算量与通信量少外，还具有保密性、认证性、不可伪造性、不可否认性、抵抗接收组成员欺骗等特点，满足群体通信的要求，对存储容量和计算能力有限的硬件开发而言，该方案具有很大的实用价值和应用前景。

Based on the traditional mechanical model the buble point method of three diagonal matrix, an neural network model of gas-liquid equilibrium computation for liquid air, which makes system presure P and equilibrium component of liquid phrase x1,x2,x3 as input nodes makes system temperature T, equilibrium component of gas nitrogen y1, equilibrium constant of argon and oxygen k2, k3 as output nodes, insteads of the buble point computation of the three diagonal matrix , thus a improved distillation model is built.

在传统的机理模型三对角矩阵法中的泡点法基础上，将体系压力P，平衡液相组成x1， x2， x3 为输入节点体系温度T ，平衡汽相氮组成y1 及氩、氧的相平衡常数k2， k3 为输出节点的神经网络液体空气汽液平衡计算模型，取代三对角矩阵法中泡点计算，从而建立改进的精馏塔模型改进模型用于空分塔的模拟计算，不仅计算速度快，计算结果与机理模型结果非常接近，且符合设计要求，对实现产品质量的在线监控具有一定的指导意义

Besides secure multiparty computation, distributed cryptography deals with a lot of special cryptographic computation, for example, bilinear parings/ID-based cryptpgraphic algorithms.

分布式密码不仅仅是个多方计算问题，同时还是具有某些密码特性的密码算法的计算问题。

Designing the system schematic diagram explained the work principle of the hydraulic pressure synthesized test platform; According to the design of hydraulic pump, hydraulic valve, drill tubing choice and the computation, determined the model and the size of the hydraulic pressure part; In order to improving the consummation system, this article also carried on to test the system pressure loss and temperature increment; In addition, through the system calorific capacity computation, completed to choose the heater and the chiller ; Through designing the belt transmission and the axis structural, this article completed to the design of pumping station.

通过对系统原理图的设计，说明了液压综合试验台的工作原理；根据对液压泵、液压阀、油管等液压元件的选择和计算，确定了所需液压元件的型号及尺寸；为了改进和完善系统，本文还对系统压力损失和发热温升进行了验算；此外，通过对系统发热量计算，完成了对加热器和冷却器的选择；通过对带传动设计和轴的结构设计、校核，完成了对泵站的设计。

It is concluded that the code has a higher accuracy in trail angle computation, but some scatter in loss computation.

结果表明，该程序对设计点的落后角的计算精度较高，而对损失的计算还存在一定的分散度。

Tower body, shell cover and skirt wall thickness computation and examination: And tower body intensity and stable examination including wind loads analysis, earthquake loading computation

塔体、封头与裙座壁厚的计算与校核：其中塔体强度与稳定性校核包括风载荷计算、地震载荷计算、轴向组合应力计算、筒体校核、裙座强度校核及水压试验校核。

According to simple computation, good anti-noise ability and low precision of Katz algorithm and complex computation and good precision of box-counting dimension and correlation dimension, an Improvement fractal algorithm Based on Wave is presented and analyzed through the fractal Brown curve and noisy speech according to the characteristic of the box dimension and Katz dimension.

摘要该文针对目前的分维计算方法——盒维、关联维等精度虽高，但计算复杂，Katz维计算简单、抗噪性能好、但精度不高的现状，提出了一种改进的基于波形的算法——IBW-FD，分析了对分形布朗曲线、含噪语音(高斯白噪声，三种非平稳噪声)的性能。

The problem considered in this paper contains absorbing-emitting medium, absorption and emission of radiation not only exist on boundary of the system, but exist in the whole space fulled of medium, variation of temperature, pressure, density, compusure and property with coordinates must be considered in computation, so computation in this paper is based on three dimensional flow field.

本文所计算的问题包含吸收-发射性介质，能量的吸收和发射不仅发生在系统的边界上，而且还发生在充满介质的全部空间，在计算中要考虑介质中各点的温度、压力、浓度、成份以及物性在空间上的变化，因此本文的计算是根据三维流场计算的数据进行的。

Foods high in this vitamin include oily fish such as salmon, tuna and, and fish liver oils.

维生素D含量高的食物包括诸如大麻哈鱼、金枪鱼和鲭鱼之类的油鱼以及鱼肝油。

We need you to cosign our public letter demanding that press intimidation cease immediately, and that all charges be dropped.

我们需要您cosign我们的公共信，要求记者立即停止恐吓，并要求所有收费下降。