查询词典 velocity

The distribution of linear velocity is a special case of power velocity distribution when the effects of momentum and friction balance each other.

线性速度分布只是幂速度分布在动量和摩阻影响相平衡时的特例。

The characteristics of constant linear velocity grinding method and constant angle velocity grinding method are analyzed. This thesis analyses the problem and influence to the machining precision of the two methods.

本文的主要研究工作有以下几个方面：研究了凸轮轴磨削加工的运动数学模型，在分析工件恒线速度和工件恒角速度磨削这二种主要凸轮轴磨削加工工艺的特点的基础上，提出一种新磨削加工工艺。

The mentioned control scheme can effectively control two joint of space manipulator to stably track the desired trajectory in joint space. It has obvious advantages that with needless feedback and measured the position, velocity, acceleration, attitude angle velocity and attitude angle acceleration of the floating base. At the same time, no requirements for the dynamic equations of the system are linearly dependent on inertial parameters.

文中提到的控制方案能够有效地控制漂浮基空间机械臂的载体姿态及机械臂关节，可以协调地完成期望的轨迹运动，并具有不需要反馈和测量空间机械臂载体的位置、移动速度、移动加速度，同时也不要求系统动力学方程关于系统惯性参数呈线性函数关系的显著优点。

As mentioned earlier, a MovingEntity has a local coordinate system that must be kept updated each simulation step. A vehicle's heading should always be aligned with its velocity so this is updated, making it equal to the normalized velocity vector.

就像之前提到的一样，一个 MovingEntity 类有一个自己的必须每次都得更新的坐标系统，一个运动物体的朝向总是得和它运动的方向保持一致，将这个向量单位化。

In this paper,according to the logarithmic velocity distribution in the open channal,formula of the distribution of the vertical velocity in condition of ice-cover was formed.

以明渠对数流速分布为基础，提出有冰盖情况下的垂线流速分布公式，并以此论证了现行冰期流速测点布设模式的合理性。

Descartes, even though he believed that the velocity of propagation was infinite, concluded, on a different level of logic, that K was proportional to a velocity.

笛卡尔，即使他相信传播速度是无限的，推断出，在不同的逻辑的水平上，K 是与速度成比例的系数。

The number expressing the velocity of light appears explicitly in the Lorentz transformation, and plays the role of a limiting case, like the infinite velocity in classical mechanics.

表示光速的数明显地出现在洛伦兹转换中，并且如同经典力学中的无限大速度那样，光速将成为一个极限速度。

This paper introduces the essences of mass, time, length and energy, as well as their standard measure units; analyzes mass-velocity relationships in different theories, and comments on them; negates the mass-velocity equation and the mass-energy equation in special relativity; analyzes the source and generating way of atom energy.

摘 要 介绍质量、时间、长度和能量的本质和标准计量单位。分析了不同理论下质量与速度的关系，并进行了评述。否定了狭义相对论的质速关系和质能关系。

Considering the mass-velocity relation and mass-energy relation, an object's inertial mass isn't equal to its gravitational mass in some cases; under the conditions of equality of velocity, temperature, pressure and the like, an object's inertial mass may be equal to its gravitational mass.

摘 要 考虑质速关系和质能关系可以得出结论：并非在任何条件下一个物体的惯性质量和引力质量都相等；在等速、等温、等压等条件下，一个物体的惯性质量和引力质量可以相等。

At the same time, because of the velocity of the matter particles are far slower than the velocity of light, the action time become longer, so the precision and the sensitivity of the matter wave interferometers can be increased.

与光学干涉仪相比，物质波干涉仪的一个重要特性是，可用于研究引力效应；同时，由于物质粒子的速度远低于光速，所研究过程的作用时间增长，因而它的灵敏度和精度可以极大地提高。

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。