禁戒跃迁指的是选择定则所不容许的偶极辐射跃迁。
Forbidden transitions are those for which dipole radiative transitions are not allowed by the selection rules.
由于在凝相中，选择定则是比较不严格的，所以绝对强度往往有所增大。
Frequently the absolute intensity is increased since the selection rules are less strict in the condensed phase.
定量的给出了球面波照射下实现任意阶非精确分数傅里叶变换时系统参数的选择定则。
A determining law for selecting the parameters of obtaining arbitrary order of the non-exact transform is also deducted quantitatively.
用群论的方法，较简练地推断出量子跃迁的宇称选择定则，自旋选择定则，与对称类型有关的选择定则等。
The paper describes a brief deduction to have the parity selection Rules of Quanta Transition, Spin Selection Rules and other Selection Rules about Symmetric kinds by the method of Group Theory.
随后介绍了拉曼散射的基本原理及其重要的选择定则，同时简述了铅盐矿半导体拉曼光谱研究的历史与现状。
The lack of vibrational properties of the lead salts motivated us to carry out the current Raman spectra study of PbSe and PbTe.
本文利用量子力学的宇称理论和角动量理论，对原子物理学中所熟知的电偶极辐射的跃迁选择定则进行了理论探讨。
In this paper, we discussed the transition selection rule of electrical dipole radiation in atom physics by the parity theory and angular momentum theory in quantum.
本文用对称分析方法，分析计算了力学、电学、固体物理学、原子和分子光谱学中的转动惯量、极化率、选择定则等。
In this paper, the symmetry analysis method is used to compute and analyse the rotation inertia, polarizability, selection rule in mechanics, electricity, atomic and molecular spectroscopy.
本文用对称分析方法，分析计算了力学、电学、固体物理学、原子和分子光谱学中的转动惯量、极化率、选择定则等。
In this paper, the symmetry analysis method is used to compute and analyse the rotation inertia, polarizability, selection rule in mechanics, electricity, atomic and molecular spectroscopy.
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