查询词典 angular brackets

The cranking term breaks the time reversal symmetry, and the projection of the single-particle angular momentum on the intrinsic symmetric axis is no longer a good quantum number.

推转项的引入破坏了时间反演对称性，单粒子角动量在内禀对称轴上的投影量子数已不再是好量子数。

In this paper we separate the Hamiltonian into three parts: a spherical symmetry Hamiltonian; a z-component of the angular momentum operator, and a non-spherical symmetric potential as the perturbation operator, and provide a propose method by separating the potential containing squared magnetic field B^2 into two parts spherical symmetric and non-spherical symmetric ones so that the first-order energy correction due to the non-spherical symmetric potential is zero, and the second-order correction due to B^2 can be obtained by a simple variational method.

采用变分法和微扰法相结合的方法，把高强度磁场中氢原子的哈密顿H分为三部分：球对称哈密顿；z分量角动量算符相应部分和非球对称势微扰，并用一种特别规定的分解法将哈密顿H中含磁场平方项的势能分解为球对称与非球对称两部分，且使非球对称部分引起的一级修正能量值为零，并采用一种简便的变分法直接求出B^2对能级的二级修正值。

In many applications, drives must run with angular synchronism to a master drive at a fixed speed.

在许多应用中，驱动器必须与主驱动同步角度以固定的速度运行。

Estimate of angular velocity is used as the state feedback to replace the expensive gyro and tachometer generator.

用角速度估计值作状态反馈可以代替价格昂贵的速度陀螺仪和测速电机。

One component has the direction tangent to the path of this point, pointed in the same sense of angular acceleration of this body, and is called the tangential acceleration.

一个分量方向与该点的轨迹相切，指向与该物体的角加速度的方向相同，叫做切向加速度。

The brake of non-throwing arm is helpful to obtain the tangential acceleration in the right shoulder and normal acceleration, afterwards the right shoulder in surmounted hip vertical plane after the braking maneuver, can throw the angular momentum effectively to the arm.

①非投掷臂的制动，有助于右肩获得切向加速度，法向加速度，而后右肩在超越髋部垂直后的制动动作，能将角动量有效的传递到投掷臂。

Seeds cuneate, small (ca. 1 mm), angular, testa tuberculate.

楔形的种子，小(长约1毫米)，角，种皮具瘤。

A series of angular thiazonaphthalimides was designed and synthesized by fusing a thiazole ring to the naphthalimide skeleton.

通过在萘酰亚胺母体上并入噻唑杂环，设计并合成了一系列新型的具有角型结构的萘酰亚胺类化合物。

A method for analytical calculation of the resonance length for ultrasonic torsional fatigue samples is recommended. The angular displacement amplitude and torsional stress/strain amplitude on the surface of samples are derived.

介绍了一种超声疲劳扭转试样谐振长度解析计算方法，并给出了扭转谐振状态下试样表面的角位移和应力应变分布函数。

It concludes the describing circle tractarian state of principal quantum number, angular quantum number and magnetic quantum number , and the describing electron spin state of spin quantum number.

包括表示轨道运动状态的主量子数、角量子数和磁量子数，以及表示电子自旋运动状态的自旋量子数。

Fostering the concept of multi-culture firmly and mastering the development of advanced culture correctly are conductive to resisting terrorism, separatism of nationalities and ultraism of religion, which is of great academic theoretical, immediate and profound historical si...

牢固树立多元文化的理念和正确把握先进文化的发展方向，有助于在世界范围内自觉地抵制恐怖主义，民族分裂主义和宗教极端主义。不仅具有重大的学术理论意义，而且也具有重大的现实意义和深远的历史意义。

But if anyone walks in the night, he stumbles, because the light is not in him.

11：10 若在黑夜行走，就必碰跌，因为那光不在他里面。