查询词典 angular coordinates

As it contracts, the principle of angular momentum conservation forces it to rotate faster .

当它收缩时，角动量守恒的原理强迫它转得更快（见右页〈气体盘的诞生〉）。

Starting from the conditions of law of conservation of energy and angular momentum,how to deal with simple disposal of several physical equations of the planetary motion by applying the elementary mathematical equations is proposed.

从角动量和能量守恒定律出发，建立行星椭圆运动的轨道方程，导出行星运动时的各个物理量表达式，从而给出了一种以初等数学为基础的处理行星运动的简洁方法。

Considering enough first integrals,such as conservation of energy and angular momentum,the system is integrable by Liouville's theorem.

利用能量积分，根据惠特克定理对系统的动力学方程进行降阶，并根据旋转数给出系统作周期或准周期运动的判别条件。

Firstly, the development of the spherical robot is introduced and according to the knowledge of the research forepassed, the nonholonomy and the nonlinear controllability for a spherical robot based on the principle of angular momentum conservation are discussed with the differential geometric control theory.

首先介绍了球形机器人的发展状况，在了解前人研究领域的基础上，应用微分几何控制理论，对此角动量守恒的球形机器人的非完整性和非线性可控性进行了研究。

The law of conservation of angular momentum may be demonstrated with a gyroscope.

角动量守恒定律，可以用回转器来演示。

Based on the conservation principle of linear and angular momentum,the method derives the equations of the mass and mass center as well as inertia tensor of the new end-effector for the manipulator handling the unknown object.

1引言由于自由飞行空间机器人本体的质量随着载荷及燃料的消耗而发生变化，而目标的惯性参数往往是未知的，因此在运动控制时，必须进行参数辨识。

Since this space robot strictly abide by the rules of momentum conservation and angular momentum conservation, its dynamic equations exhibit a strong nonlinearity.

此类空间机器人系统严格遵守动量守恒和角动量守恒，所以其动力学方程表现出强烈的非线性性质。

Based on the common D-H modeling methods for ground robot and the conservation of momentum and conservation of angular momentum suitable for SR, continuous motion trajectory control modeling algorithm for SR is developed.

基于地面机器人常用的D-H建模方法和空间机器人满足的动量守恒和角动量守恒原理，提出了SR连续运动轨迹控制建模算法。

With a simple symmetrical electromagnetic field,the law of conservation of momentum and the law of conservation of angular momentum for electromagnetic field and charges system are investigated.

利用简单对称性的电磁场，讨论了场和电荷系统遵从的动量守恒、动量矩守恒定律

The tangent space and normal space of the robot motion curve is constructed by using Newton-Euler orthogonal method, which satisfies the restrictions of linear and angular momentum conservation of free-floating space robot system. An analytical expression of joint actuation torque in the floating state is given by using this method.

根据空间机器人自由漂浮状态时系统动量守恒的特点，采用Newton-Euler正交方法构建了满足系统动量守恒约束条件的空间机器人运动曲线法空间与切空间基底，并以此基础得到了自由飘浮状态下的空间机器人关节力矩的显式表达式。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。