He had an angular face with prominent cheekbones. 他的脸棱角分明,颧骨突出。
Angular momentum can accompany nonrotational motion. 非旋转的运动可能伴随着有角动量。
If the angular velocity of a body changes, it is said to have an angular acceleration. 如果物体的角速度是改变的,就说这个物体具有角加速度。
Spinning this direction, angular momentum is in this direction. 这个方向旋转,角动量是,这个方向。
So this is a linear velocity, this is an angular velocity. 因此这是线速度,那个是角速度。
I torque for time delta t, and so I add angular momentum like this. 我的力的时间是δt,我加入,了角动量像这样。
The safety of angular contact ball bearing in CMG under random vibration is investigated. 研究CMG中角接触球轴承在随机振动下的安全性。
That means if there's torque, there's a change of angular momentum. 这意味着,如果那有一个力矩,就会有角动量的改变。
Angular momentum has two key components: spin angular momentum and orbital angular momentum. 角动量有两个分量:自旋角动量和轨道角动量。
Why? Because it has angular momentum. 为什么,因为有了一个角动量。
You give it spin angular momentum, it becomes stable. 有了一个旋转的角动量,就变得稳定。
Those complicated Doppler shifts are where the angular resolution comes from. 有了这些复杂的多普勒偏移,就有了角分辨率的问题。
Angular momentum is in this direction. 角动量是这个方向了。
It has spin angular momentum. 有了旋转的角动量。
Don't confuse it with angular velocity. 不要把它,和角速度混淆。
Three key coupling factors, longitudinal 、 transverse and angular misalignments between two optical fibers are analyzed. 对两根光纤的纵向距离、横向偏移和角度倾斜三个耦合效率的影响因子进行了仿真分析。
The paper further develops and enriches the methods of ICE single order fault diagnosis in angular vibration of crankshaft. 论文的研究工作,进一步发展和丰富了内燃机单谐次曲轴角振动故障诊断方法;
The measuring errors in on-axis direction were discussed and a method for correcting the angular deviation was suggested. 讨论了主要的测量误差并提出了一种修正共轴分量角度偏差的方法。
If we unwind this paper, each point on the angular edge generates an involute curve. 如果我们放松了,每一个点上的角边生成一个渐开曲线。
Finally, the nonlinear dynamics characteristics of rotor system with angular misalignment are analyzed by the numerical method. 最后,采用数值方法分析了具有转角不对中故障转子系统的非线性动力学特性。
This paper introduces applications of the incremental and absolute angular encoders in synchronous leading screw control. 介绍了增量式和绝对式编码器在同步丝杆控制中的应用和软件编制。
The units are in radians per second, the same as angular velocity. 单位都是,弧度每秒,和角速度一样。
I've changed the direction of the spin angular momentum. 我改变了旋转角动量,的方向。
The paper describes the error analysis for this accuracy angular position transducer and the method for eliminating the error. 文中对这种高精度角位置传感器产生误差原因进行了分析,并给出了有效消除误差的方法。
In addition, method of the measurement of the orbital angular momentum is demonstrated. 另外也介绍了到目前为止测量光束轨道角动量的方法。
I add angular momentum in this direction and you see that here. 我在这个方向加入了角动量,你们可以在这看到。
When I do that, I apply, I add angular momentum in this direction. 当我这样做的的是,我将角动量,加到这个方向。
The tracking angle, angular velocity and the angular acceleration can be derived through the tracking laws. 通过该跟踪规律可以推出用户星天线跟踪中继卫星的跟踪角度、角速度和角加速度。
Here is an example of the usefulness of the concepts of angular impulse and angular momentum. 这有一个例子,可以说明角冲量和角动量概念的用途。
The relations between joint torque deviation and angular velocity of manipulator are controlled. 并能同时控制机械手抓取过程中关节力矩偏差和角速度关系。