运动学

Independent translational and rotational kinematic models of a Delta and 3-RRR mechanism based double parallel haptic device were established and the corresponding Jacobean matrix es were derived respectively.

建立了基于Delta和3-RRR复合结构的双并联式主手平动与转动独立的运动学模型，并推导出各自的雅可比矩阵，给出了局部灵巧度和全局灵巧度的计算方法。

These requirements are very important to choose a fitting kinematic principle and size of the kinematic structure.

这些要求是非常重要的，选择恰当的运动原理和大小的运动学的结构。

By analyzing kinematic characteristics of the system, it is reduced to a one degree-of-freedom system.

基于该系统的运动学规律，将其简化为一个单自由度多体系统。

However, to achieve a specific turning radius and vehicle speed, certain kinematic relationships have to be satisfied.

不过，要达到一个具体的转弯半径，车速等，在一定的运动学关系，有很满意。

According to kinematic principle, the athlete's speed and its force are close together and relevant.

根据运动学原理，运动员的速度与其力量紧密相关。

Fig. 2, however, presents the results of such a kinematic analysis applied to the combined structure.

图。 2，但是，提出了结果，这种适用于合并运动学分析结构。

In this paper, Using the D-H (Denavit-Hartenberg) establish the ideal and actual kinematic model.

在本文中，基于D-H法建立了理想和实际运动学模型。

Through the above processing, the kinematic and kinetic characteristics of seismic data were ensured to be consistent.

通过以上处理，保证了地震数据的运动学特征和动力学特征一致。

Three roller bits of geometry and kinematical rock mechanical properties of the basic concept of physics.

牙轮钻头的几何学和运动学，岩石的物理机械性能的基本概念。

The kinematical and force- balance principle s of the device are analyzed.

分析了该机构的运动学原理和力平衡原理。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。