查询词典 angular derivative

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。

In chapter 4, methods for producing beams with orbital angular momentum are introduced.

第四章介绍了产生拥有轨道角动量的光束的方法。

The precise definition of the angular momentum of a body is complicated .

要给物体的角动量下精确的定义是困难的。

In this chapter we will discuss angular momentum.

本章将讨论角动量。

Angular momentum conservation is based on the isotropy of space.

角动量守恒是以空间的各向同性为基础的。

In other words, the magnitude of the angular momentum is increased, its direction remaining the same.

换句话说，即角动量的大小增加了，但其方向不变。

In recent years, there have been many researches focusing on orbital angular momentum of light beam in the field of optics.

近年来，在光学领域内，关于光束轨道角动量的研究，受到广泛的关注。

The variation of the atmospheric angular momentum is obvious in the progress.

此期间大气角动量的年际变化也呈现从小到大的过程。

In chapter 2, the theoretical basis of the orbital angular momentum of light is presented.

主要从经典电磁场理论出发，分别介绍了傍轴近似和非傍轴近似下光束的轨道角动量和光束的参数之间的关系。

In motions of rotation angular momentum appears in much the same way as linear momentum appears in motion of translation.

在旋转运动中的角动量产生的方式与平移运动中的线动量的产生是基本相似的。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。