Any heteronuclear diatomic molecule must have a dipole moment since its two ends are different.

任何异核双原子分子必然具有偶极矩,因为它的两端是不同的.

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Infra - red absorption takes place only when there is a change of dipole moment.

红外吸收峰仅在有偶极矩变化时才能实现.

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Phenomenological and theoretical interpretation of the dipole moment was discussed in this paper.

对偶极矩作了象观和理论上的描述.

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Third, a small dipole moment can guarantee manifestation of the large macroscopic second - order susceptibility.

此类体系小的偶极矩能够保证此类材料具有较大的宏观 二阶 极化率.

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The attraction between covalent bonds molecules is the interaction of electrical dipole moment.

共价键分子间的吸引力是电偶极矩的相互作用.

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