That never happens in classical mechanics, because there are always levels there.
这在经典力学中绝不会发生，因为那总是有能级。
If I've got classical mechanics, then that means it's vibrational energy.
如果我有经典力学，那意味着它的振动能。
Also, when we're looking at the Schrodinger equation, it allows us to explain a stable hydrogen atom, which is something that classical mechanics did not allow us to do.
当我们看一个薛定谔方程的时候，它给出一个稳定的氢原子，这是在经典力学中做不到的。
But Newton's interest in mechanics taxed the limit of what such classical mathematics could do.
但是，牛顿对力学的研究使传统数学爱莫能助。
One of three basic laws of classical mechanics.
经典力学的三个基本定律之一。
In the limit of large quantum Numbers quantum mechanics goes over into classical mechanics.
在大量子数的极限情况下，从量子力学过渡到经典力学。
It follows from the principle of relativity that Newton's second law of motion, although fundamental in classical mechanics, only has an approximate and by no means complete validity.
由相对论原理可知，牛顿运动第二定律尽管是古典力学中的基本原理，但只是近似的，而绝不是完全正确的。
In this final lecture, I return to the demonstration given at the beginning of the course, and explain the main phenomena of the Euler disk based on what we've learned about classical mechanics.
在这最后一课中，我们会回到第一节课所给的例子中，现在我们可以利用我们所学的关于经典力学的知识去解释欧拉盘的现象了。
It follows from the principle of relativity that Newton's second law of motion although fundamental in classical mechanics only has an approximate and by no means complete validity.
由相对论原理可知，牛顿运动第二定律尽管是古典力学中的基本原理，但只是近似的，而决不是完全正确的。
An important guide for making these choices is the correspondence principle which states that the predictions of quantum mechanics reduce to those of classical physics when a system becomes large.
做出这些选择很重要的指南就是对应原理，它表明量子力学预言当一系统变得大时候就变为了那些经典力学。
Quantum information theory is the combination of classical information theory and quantum mechanics.
量子信息论是经典信息论与量子力学相结合的新兴交叉学科。
Most achievements of classical soil mechanics are set up on the basis of elastic theory.
古典土力学的大部分成果是建立在弹性理论基础上的。
Quantum mechanics showed classical mechanics to be incorrect for describing the internal motions within atoms.
量子力学证明，用经典力学描述原子内部的运动也不正确。
Quantum mechanics and relativity have revealed the boundaries of validity of classical mechanics.
量子力学和相对论，揭示了经典力学的适用范围。
Quantum mechanics and relativity have revealed the boundaries of validity of classical mechanics .
量子力学和相对论，揭示了经典力学的适用范围。
Statistical mechanics: branch of physics that combines the principles and procedures of statistics with the laws of both classical mechanics and quantum mechanics.
统计力学：物理学的分支，将统计学的原理和方法与经典力学和量子力学的定律结合起来。
And, as I mentioned, we left off and as we started back here to describe the atom and how the atom holds together the nucleus and the electron using classical mechanics.
我之前提及过，我们上次，讲到应用经典力学如何描述，一个原子以及原子如何把质子，和电子束缚在一起，今天我们要。
So their mathematical knowledge of Newton's theory of classical mechanics is the synthesizer.
于是将自己的数学知识牛顿是经典力学理论的集大成者。
This paper discuses on ten foundational problems of soft rock engineering whickare different from classical mechanics.
探讨了软岩工程力学十个方面的不同于经典力学的基本问题。
On the basis of classical mechanics, the author derived a series of typical vector and matrix formulas for solving the problems of a particle that takes part in plane complex movements.
本文在经典力学的基础上，提出求解动点作平面复合运动的直接矢量导数方法和矩阵方法的定型公式。
Newton's law of motion forms the foundation of classical mechanics.
牛顿的运动定律构成传统力学的基础。
The Bohr theory, with its strong flavor of elementary classical mechanics, formed an important bridge between classical physics and present-day atomic theory.
玻尔理论具有强烈的初等古典力学的气味，这就构成了古典物理和近代原子理论间的一座重要的桥梁。
According to classical mechanics and DE Broglie theory, this paper USES quadruplicate equation theory, and deduces the energy spectrum of conical pendulum.
根据经典力学和德布罗意理论，运用四次方程理论，推出了圆锥摆的能谱。
These phenomenas can be expressed in classical mechanics. Everything seemed to be reasonable.
这些现象规律都可以用古典力学的公式表达出来，一切似乎都合乎情理。
This is often expressed by saying that in case of large quantum numbers quantum mechanics "reduces" to classical mechanics and classical electromagnetism .
通常可以表示为大量子数目情形下量子力学“减少”到经典力学和经典电磁学。
The permanent electric dipole moment (PEDM) of hydrogen atom is calculated in classical mechanics and double-wave mechanics.
用经典力学和双波量子力学计算了氢原子的固有电偶极矩。
The feature length is to measure the degree in which micro-particle can be described by the model of classical mechanics.
特征长度是衡量经典力学的模型对于微观粒子的描述究竟适用到多大程度，笔者具体计算了电子在均匀电场中的特征长度。
According to the theory of classical mechanics, the problem of stress concentration of open cell of spherical cover end is always solved by approximate computing formula.
由经典力学理论，对于球形封头开孔应力集中问题，大都采用近似计算公式。
According to the theory of classical mechanics, the problem of stress concentration of open cell of spherical cover end is always solved by approximate computing formula.
由经典力学理论，对于球形封头开孔应力集中问题，大都采用近似计算公式。
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