查询词典 dynamic condition

Especially, the dynamic neural network, which containing feedback process can directly and vividly reflect the dynamic nature of systems, thus it is attractive to use neural network technology to forecast the dynamic, non-linear exchange rate.In this paper, firstly we reviews and commentates the literatures of foreign exchange rate forecast, then introduces and analyzes from three perspectives, which are the basic theory of the exchange rate forecast, the main model and technical approach.

人工神经网络技术是一种非线性系统逼近和建模的有效工具，由于其具有良好的非线性映射能力及自适应、自学习和泛化能力，特别是包含反馈过程的动态神经网络能够更直接更生动地反映系统的动态特性，因而利用神经网络技术来对动态、非线性的汇率系统进行预测别具潜力。

The process was introduced. The Static and Dynamic performances were simulated. Through this process the Static and Dynamic curves were graphed. At the same time, the differences between the model and the CNG-engine Higher Depressed Valve were analyzed in the Static and Dynamic performances.

对该模型的建立过程进行了详细的阐述，并且进行了静态和动态仿真，通过仿真得到了静态特性曲线和动态特性曲线，同时通过对这些曲线的分析，阐释了模型与实际天然气高压减压阀在静态和动态特性上的差异。

The ammonia volatilizing of fertilizer is suit to the dynamic equation as Y=a+bt, the coefficients in the equation are related to the kind of fertilizer, temperature and water content of soil, and the dynamic equation about ammonia volatilization including water and temperature and the is developed. In addition, the dynamic equation about ammonia fertilizer affected by interaction of water and temperature is gotten.

肥料氨累积挥发量符合零级反应动力学方程Y=a+bt，方程中系数与肥料种类、温度和土壤含水量有关，碳铵a、b值均比硫酸铵高，土壤含水量增大，a、b值降低，温度升高，a、b值增大，并由此得到含温度或土壤湿度因子的肥料氨挥发动力学方程，并建立了含水、热因子的肥料氨挥发水热耦合效应动力学方程。

To solve the problem, a concept of dynamic antenna is introduced, which comprises the antenna with wireless sensor, wheels, and vehicle body. A 3D electromagnetic simulation model for the dynamic antenna is built and a simulation is performed. The parameters of dynamic antenna obtained by the simulation are then used in the design of matching circuit of base antenna.

针对该问题提出将无线传感器天线、轮毂、车身看作一个动态天线，建立动态天线的三维电磁场仿真模型，并将仿真得到的动态天线参数用于无线传感器天线的匹配电路设计。

The ground improvement in flying area road in Mianyang south suburb airport has been taken as a praxis: the area in hilly high filled ground has been solved by dynamic consolidation method, and present the dynamic consolidation technical parameters in hilly high filled ground and the dynamic consolidation reinforcement mechanism in cobble soil and gravel soil, which retrench investment 20%.

并以绵阳南郊机场飞行区场道的地基加固为实例，对丘陵山区高填方地段进行了强夯加固处理，提出了山区高填方强夯加固的技术参数和卵砾石土的强夯加固机理，使实际工程投资降低20%。

The main purpose of this article is to work over and analyse dynamic specialties of the plane four bar mechanism especially crank and rocker mechanism and brace cake mechanism in the dynamic and constrained system contained with mechanical and hydraulic integration, and dynamic specialties of the plane four bar mechanism in the system made of mechanical and hydraulic integration can carry out and be easily computed by the software MATLAB to have a simulation.

本文的主要目的是研究分析机械系统和液压系统综合动态约束系统下，对机械系统单元部分选取的平面四连杆机构，尤其是曲柄摇杆机构和曲柄滑块机构的动态特性，并能通过MATLAB软件实现对机液综合机构学理论中的平面四杆机构的动态特性计算及仿真研究。

The research of the utility and safety of the hammer was performed. The affecting factors of pile-soil system to the results of dynamic load testing were also analyzed. The results show that there is no tensile force in hammer during impact and it is feasible to utilize the hammer in drilling piles dynamic testing. Drop height, stiffness of cushion, pile length and diameter, and the soil qualities etc. affect the dynamic load testing results considerably.

研究结果表明：锤体冲击过程中基本不受拉力，符合试验要求；特大型组合式基桩高应变动力试桩重锤应用于灌注桩承载力检测是可行的；锤重、落距、桩径、桩长、土阻力分布、桩侧及桩端土弹限、锤垫刚度和力脉冲宽度等因素对检测承载力均有较大影响。

Dump truck has a propensity to roll over in certain situations. Variable soil conditions, high winds, significant ground slope, and shifting loads contribute to a high risk of rollover for dump trucks, In this study, a dynamic simulation model of a dump truck with triangle rod assembly lifting mechanism was established to study the dumping stability of the dump truck. Through the dynamic simulation of the dump truck model in several typical situations, the dynamic rollover threshold values were determined.

本文主要针对自卸汽车在作业卸载时容易失稳发生侧翻的现象，以某厂三角臂组合式举升机构的自卸汽车为研究对象，建立自卸汽车整车虚拟样机模型，综合考虑影响自卸汽车作业稳定性的各种主要因素，对自卸汽车的作业稳定性进行仿真分析，找出了自卸汽车侧翻的临界值。

Because the techniques of the biochemical waste treatment are very important, the techniques of the cultivation of the microorganism have received more attention in recent years. A study is conducted to analyze the steady states and dynamic bechavior of the reactions of the cell-substrate and the prey-predator interaction in two chemostats in series. For the reaction of cell-substrate in two chemostats in series, if the specific growth rate of the Monod model is used for the cell , there are three types of steady states for this reaction system. These three types of steady states and stability are analyzed in detail. The dynamic behavior of this reaction system is analyzed by the numerical method and computer graphs. The results show that the dynamic behavior of this system consists of stable steady states.

由於生物废弃物的处理技术相当重要，故最近几年来微生物的混合培养技术深受大家的重视，本研究实施菌类－基质(Cell-Substrate)和被捕食者－捕食者(Prey-Predator)相互作用之生化反应在两个生化反应槽串联之稳定状态和动态分析，对於菌类－基质之生化反应，若以Monod模式来表示菌类之比生长速率，则此两个生化反应槽串联之反应系统共有三种型态之稳定状态，本研究对此三种型态之稳定状态和稳定度作深入的分析，对於此反应系统之动态行为，则由电脑运用数值分析的方法及电脑绘图进行分析工作，动态分析的结果显示此生化反应系统之动态行为，以稳定之稳态为主。

Presently, CFST arch bridges develop in the direction of large-span and lightweight style, accordingly, investigators and devisers should increasingly attach more importance to their dynamic behavior, and some typical dynamic matter of bridges, such as seismic response, wind induced vibration, coupled dynamic vibration between bridge and vehicle should not be ignored.

目前，钢管混凝土拱桥正朝大跨、轻型的方向发展，因此，该类型桥梁的动力特性也日益引起重视，象地震、风振、车振等桥梁的典型动力问题也是该类桥梁所无法回避的。

There are two types of gold deposits in this area, namely altered rock type and quartz vein type.

本区金矿床包括两种类型：柴胡栏子金矿床为蚀变岩型金矿；莲花山和红花沟金矿床属石英脉型。

You were home and it was two weeks ago.

你回到了家里。当时是两周前。