查询词典 force vector

The phase EMF vector figure and winding structure of motor are given, and the cause of the radial imbalance electromagnetic force is analyzed base on it.

给出了电动机相电势矢量图及绕组构成，分析了电动机径向不平衡电磁力产生的原因。

This paper introduces the piezoelectricity quartz thrust and thrust vector sensor in detail.The mathematical model of the sensor force system is established.

火箭发动机的推力偏心对火箭和导弹的飞行性能带来不良的影响，它使火箭弹的散布增大，精度下降，可导致导弹飞行中掉弹[1]。

With the id￠=0 vector control and the feedforward compensation of cogging, the minimum force ripple and maximum efficiency control of non-sinusoidal BEMF SPM motors can be obtained.

考虑永磁磁链谐波对永磁磁链导数矢量幅值及相位的影响，通过引入d￠q￠轴坐标系，提出一种id￠=0的非正弦波BEMF SPM电机矢量控制新方法，结合齿槽前馈补偿可以实现非正弦BEMF SPM电机的最小推力纹波最大效率控制。

Based on the Frenet-Serret formulas which are very important in the vector and tensor analysis theory, the force and moment equilibrium equations are established by the technique of apparent components system.

以在空间曲线理论中起重要作用的富列耐—塞勒(Frenet—Serret)公式为基础，把BHA所受的力及力矩表示为三维非正交坐标系中视分量的形式，建立了力和力矩平衡方程。

To calculate the direction of the force, we can simply examine the unit vector difference between the two points, i.e .

下面假设我们有一个物体"t"，比如在水中运动，阻力系数为-0.03，那么在程序中表示方法就如下所示

Applying theories of Vector geometry and differential calculus, this paper aims to infer the internal force and geometry equations for curved beam, whose axis curve is parabola and being distributing-load.

目的 对形心轴线为二次抛物线形曲线梁的内力、几何方程进行理论分析与公式推导。

Current density vector, joule heat and Lorentz force were mainly localized in region where the velocity of steel flow was high; joule heat produced by induce current has limited influence on steel flow, could be ignored.

结果表明：电磁力、电流密度矢量、焦耳热主要分布在钢液速度较大区域，电磁力明显改变了结晶器内钢液流场，感应电流产生的焦耳热对钢液温度场影响很有限，可忽略。

The construction of a vector diagram of the change in velocity shows that the force on the earth is directed toward the sun.

知道了初速度和速度的改变，我们就可以求出行星在这个时间间隔的末时刻的速度和位置。

The finite element method has been used to analyze and calculate the space magnetic fields of wafer magnets and square magnets as well as sphere magnets. Vector magnetic potential, magnetic induction, magnetic force lines and magnetic induction isolines are obtained which provide theory basis for the application of magnetic field.

采用有限元法对磁疗中常用的圆片磁源、方片磁源、球形磁源的空间磁场进行了分析和计算，得到了上述磁源空间磁场的矢量磁位、磁感强度、磁力线和磁感强度等值线等参数，为磁源的使用提供了理论依据。

The steady and 1st order velocity dependent vector solutions of forces for two level atom are obtained. The solutions are applied to TEM01 laser beam and analysis shows that it exists vortex force acting on the atom.

推导了两能级原子在稳态和小速度一阶微扰近似下的受力矢量方程，并分析表明TEM*01模光场对原子的作用力中存在旋涡力。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。