dipole 是什么意思

	n. 【物、化】 1.偶极。 2.偶极天线。

	an aerial half a wavelength long consisting of two rods connected to a transmission line at the center 同义词：dipole antenna,
	a pair of equal and opposite electric charges or magnetic poles separated by a small distance

	1.	The fundamental magnetic entities are magnetic dipoles . 基本的磁体是磁偶极子。
	2.	The molecule has a zero time-average dipole moment . 分子按时间平均的偶极矩为零。
	3.	The dipole does not radiate energy in the direction of its axis . 偶极子在它的轴的方向上不发射能量。
	4.	The nitroalkanes have high dipole moments in the range of 3. 5-4. od . 硝基烷在35-4OD范围内具有较大的偶极矩。
	5.	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。
	6.	Only magnetic dipole and higher multipole configurations occur in nature . 自然界中只能出现磁偶极子以及磁多极子的形式。
	7.	We now show how to calculate molecular dipole moments from wave function . 我们现在说明如何从波函数来计算分子的偶极矩。
	8.	The dipole oscillator sum can be expressed in terms of the integrated photo absorption cross section . 偶极谐振子和可以用积分后的光子吸收截面来表示。
	9.	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。
	10.	In a spherical nucleus, the coupling term implies an interweaving of the quadrupole and dipole motion . 对球形核中的耦合项意味着四级运动和偶极运动间的交织。

dipole是什么意思