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1·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。

2·Changes of the nonlinear polarizability of the molecular layers can be explained by using the theory of atom-radical and valence bond.

膜层的非线性极化率的改变可用原子基团和价键理论解释。

3·In the case of molecular devices, polarizability measures the extent to which electrons of the contact interact with those of the single molecule.

就分子设备而言，分子极化性测量的范围涉及到电子与单个分子接触的相互作用。