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.
用一种能避免样品在磁场中自由转动的新的测定技术测定了多粒炭石墨材料的磁化率。
Magnetic susceptibility of polygranular carbon and graphite materials obtained with a new measurement technique, which avoids free rotation of the samples in the magnetic field, was investigated.
如果平衡机的减重率比较高，就可以用较少的转动次数完成平衡，干活快。
If the weight loss rate of the balancing machine is relatively high, the balance can be done with less rotation times.
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