查询词典 dynamics

To increase knowledge of vectors, animal reservoirs and the modes and dynamics of transmission of communicable diseases.

增加传染病传播的媒介、动物宿主以及模式和动态的知识。

As compared with the existing work in this field, the results given in this paper is simple, and suitable for any robotic manipulators with unknown dynamics nonlinearities.(3) The proposed control scheme excludes the assumption that is often used in the existing literature, i.e., the robot states are assumed to be within a compact set.

与现有方法比较，本文给出的结果比较简单，适合于任何动力学非线性未知机械手的控制；提出的设计方法，克服了现有机械手神经网络控制应用中所需要的假设条件，即假设机械手的状态量严格位于某一紧集中。

In the first chapter, we research the dynamics of population which were in the polluted environment, we will: give the corresponding mathematical model;(2): obtain the explicit conditions for the threshold of the population by means of comparison theorem.

第一章是研究污染环境中种群的动力学行为，首先给出相应受污染系统的数学模型，然后研究系统中种群的持久生存和灭绝问题，在具体模型中，运用比较定理研究种群生存的阈值。

By using Floquet theory, Comparison theorem of impulsivedifferential equation and analytic method, we investigate the dynamics of thesystem in detail.

通过利用脉冲微分方程的Floquet理论和比较原理，证明了当脉冲周期小于某个临界值时，系统存在一个全局渐近稳定的害虫根除周期解，最后给出了系统持续生存的条件。3。

For the purpose of automated modeling, the dynamics problems are solved by means of an iteration compensative method.

用专家经验对搜索得到适应度较高的构形进行修正，得到满足工作要求的机器人构形。

The method can be used to understand the dynamics of chaos time series from the complex network's perspective.

这种方法可以从复杂网络的观点来理解混沌时间序列的动力学特性。

In this article, we will use this novel finite particle method to analyse several important and interesting dynamics problems in neat/insighting style, including the maximum and minimum period problem of the compound pendulum oscillation, plane impact problem and the spin and precession direction problems of the oblate and prolate satellites.

本文将透过先进的有限质点法，以极简的风格来分析几种重要而有趣的动力问题，包括复摆的最大及最小周期、刚体的角碰撞问题、薄碟型人造卫星公自转反向问题以及细长型人造卫星公自转同向问题。

With the map for example, we can obtained following conclusions: the cam turning speed has the most direct influence to the dynamics of valve rain; the cam profilers has also a very important influence, the cam profiler as the kind of compound pendulum dose not suit to high speed engine's valve train and the polydyne cam's characteristics is very different from compound pendulum cam's.

论文还首次利用多质量模型的特点对气门落座速度、气门落座冲击力及落座反跳等气门落座特性参数随凸轮轴转速和结构参数的变化规律进行了研究，考察了不同凸轮型线对上述特性参数的影响。对气门落座特性参数进行这样详细和全面的研究，是本论文的开创性工作之一，在其他的文献中尚未见相同报导。

Two classes of numerical methods based on FD-WENO schemes were recommended for solving nonconservative compressible ideal fluid dynamics equations.

以求解双曲守恒律组的FD-WENO格式为基础提出了两类用于求解非守恒可压编理想流体力学方程组的数值方法。

The course begins with the basics of compressible fluid dynamics, including governing equations, thermodynamic context and characteristic parameters.

本课程从可压缩流体动力学的基础开始讲起，内容包括控制方程，热力学背景知识和特性参数。

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。