查询词典 principle of least action

This paper discusses the mechanical properties of noncontemporaneous variation,from which the Hamilton principle and the principle of least action are derived.

本文讨论了非等时变分的力学性质，并由此导出Hamilton原理和最小作用量原理。

In this paper,we psesented that the principle of least action or Hamilton principle is ample and necessary condition of Lagrangian equation,pointed out the properties of Lagrangian function briefly,and gave the generalization and application of Lagrangian function in physics.

本文论述了力学最小作用量原理或哈密顿原理是拉格朗日方程的充分必要条件，简述了拉格朗日函数的性质，指出最小作用量原理及拉格朗日函数在物理学中的推广及应用。

The essence of surface wetting is illustrated by the principle of least action.

文 摘：列举了自然界中的种种现象以证明最小作用量的普适性。

Therefore, the principle of least action in heat transfer is studied and new principles are developed.

自然界众多的运动都是沿着"用力最小"的途径进行，在物理学上表现为许多物理现象遵循最小作用量原理。

In this paper we review historical development of the principle of least action ,pointing out its important rolein modern physics and cosmology.

本文评述了最小作用量原理的历史发展，指出了它在现代物理学、现代宇宙学中的重要地位，探讨了作用量概念的物理意义以及最小作用量原理的哲学意义。

There is an automatic scheme which allows a classical system of field equations derived from a principle of least action to be quantized.

有一个计划，它允许自动古典系统的场方程来自最不发达国家行动原则是量化。

The development of Wave Mechanics goes back to ancient times. The principle of least action is the source of Wave Mechanics, so it is the mother of several principles.

波动力学的发展源远流长，最早发端于最小作用原理，该原理可以说是"众理之母"。

In the derivation of the governing equations we will introduce how to use the Hamilton's principle of least action to account for added mass effects.

再推导统驭方程式过程中我们将会引进如何用汉米顿最小作用量原理说明附加质量的影响。

Then, in the study of finite degree of freedoms, we introduce the principle of least action, the Lagrangian formula, and the Hamiltonian formula.

然后在讨论多自由系统中引入最小作用量原理，并介绍拉格朗日、哈密顿程式。

The reflection coefficient and refraction coefficient are also given; the analysis shows the versatility of the principle of least action ,Snell s law and Fresnell s law in the research on the left-handed material,and the negative refraction effect is explained.

研究了电磁波在左右手介质界面折射与反射的特性，给出了折射系数和反射系数，从另外一个方面探讨了最小作用量原理在左手材料中的适用性；从电动力学和最小作用量原理证明了Snell定律，验证了Snell定律在左手材料中的适用性，并且得到Fresnell公式在左右手材料中的一致性。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。