查询词典 uniform velocity

The Jacobin matrix of the multi-body system dynamics was studied based on the spatial operator algebra theory,and the realization of the Jacobin matrix procedure was built in the environment of Matahematic5.2 software.The high effective stepping method can be used to compute velocity and static force,and has a simple math expression.

应用空间算子代数理论，在通用计算机符号演算软件Mathematic5.2的环境下，对多体系统动力学雅可比矩阵进行设计与实现，主要用于速度和静力的高效递推算法，用空间算子代数理论求出雅可比矩阵简洁形式，具有编程效率高、直观等特征。

In mechanics kinematics, Jacobin matrix may be calculated and simplified by vector constructing; Inverse solution and its restricting condition be given; Forward solution be solved by new-raphson method. The method need shorter time than optimization and has a lot of advantages in applying program; some relationship of velocity, acceleration, force and error of mapping from input to output have been given. Analyzing of theory base these researches.

在机构运动学研究方面，通过矢量构造的方式计算出了速度雅克比矩阵，简化了计算量；给出了机构位置逆解的计算过程及约束条件；利用Newton—Raphson法计算出了机构位置的正解，该算法比优化法计算时间短，而且利于实际编程；给出了机构输入、输出端速度、力、误差的映射关系，这些研究是机构理论分析的基础。

It puts forward a new way for javelin throw training whose main form is velocity force training in accordance with its special characteristics. This new way is being perfected gradually.

针对标枪投掷技术的特点，本研究在标枪训练实践中运用自然科学领域中有关运动生理、生物化学、运动训练学等学科的原理和最新进展，提出了适应标枪项目专项特点的以快速力量组合练习形式为主的标枪项目力量性练习，并在训练实践中逐步完善。

Based on introducing the control principle of the jigger system, the analysis of control requirement for the system was achieved, and the control scheme was proposed. The construction of hardware platform based on programmable logic controller was built. The control strategies about the velocity-tension transmission system and the temperature of dyeing liquor were presented.

在介绍卷染机控制原理的基础上，对系统的控制要求进行了分析，并确定了控制方案，搭建了基于可编程逻辑控制器的卷染机硬件控制平台，提出了卷染生产过程中速度张力传动控制策略和染液温度控制策略。

The equations of a high-speed rotating plate are obtained using Jourdain＇s velocity variation principle and the finite element method and MTA are used for discretization.

基于Jourdain速度变分原理，先推导出做高速旋转薄板的动力学连续变分方程，再用有限元法对柔性薄板进行离散。

The rigid-flexible coupling dynamics of flexible multibody systems with free largeoverall motions is studied for the first time in chapter 6.The equations of the motion forthe flexible multibody system are obtained utilizing Jourdain's velocity variationalprinciple and forward recursive formulation.

第六章首次对大范围运动为自由的柔性多体系统的刚-柔耦合动力学问题进行研究，用Jourdain速度变分原理和单向递推组集建模方法建立了柔性多体系统的刚-柔耦合动力学方程。

We also introduce the K · P perturbation theory to expand the energy E to specific point k0 and bring the group velocity and effective mass into our discussion.

接著我们引用K· P 微扰近似的方法在特定k0展开能量E将群速度和等效质量带入我的讨论中。

With the angular velocity determined, I used Einstein's field equations and Kepler's laws to place an upper bound on the magnitude of the cosmological constant, which describes the curvature of space and the rate of the universe's expansion.In addition to learning science, I recently lectured physics classes on special relativity at the request of my physics teacher.

在校参加入党学习以来，我以一名党员的标准来严格要求自己，在思想上我积极要求进步，树立了良好的人生观和道德观；永远保持与时俱进，认真学习党的工作路线，正确贯彻党的方针政策，时刻关注着党和国家的发展形势，以及国内外的局势变化。

Photodissociation dynamics of ketene at 218 nm has been investigated using the velocity map ion-imaging method.

用离子速度成像方法研究了乙烯酮分子在218 nm光解下的光解动力学，得到了光解产物CO的共振多光子电离谱，以及在不同振转态的角分布和平动能分布。

Velocity of flow is 50 kilometre ～ 150 kilometre, discharge is 65 million stere / second, be defeated by quantity of heat on average to amount to 380 billion kilocalorie / second, have the quality of high temperature tall salt.

流速为50千米～150千米，流量为6500万立方米/秒，平均输热量达3800亿千卡/秒，具有高温高盐的性质。

Through comparing with the results by simulation to study the effects of theprojectile"s final velocity, the angle of rotation and the ballistic trajectory"s migration withdifferent projectile"s rotating speeds, different target"s moving speeds and differentpenetration angles.

通过比较数值模拟的结果来研究不同弹头转速、目标速度、侵彻角对侵彻过程中弹头最终速度、翻转角度和弹道偏移的影响。

I love stationery and all the accoutrement of writing.

我爱文具以及所有的书写的工具装备。