selectionismn.选择学说selectionn.选择；挑选；挑选出来的人或事selection algorithm of cluster-head簇头选择算法Selections to Activate Random Testing激活随机试验的选择项Selection of ancient literature works古代文选selection of the physiological indices耐盐生理指标Selection of regional leading industry区域主导产业Selections of World Well-known Poems世界名诗精选Selection of scientific research topic科研选题selection and application of textbooks教材选用selections of locations for settlements安置点选址selection of regional coordination mode区域协调模式选择

1. Forbidden transitions are those for which dipole radiative transitions are not allowed by the selection rules.
   禁戒跃迁指的是选择定则所不容许的偶极辐射跃迁。
2. The relaxation of Raman selection rules in cubic nanophase is attributed to local rhombohedral distortion.
   拉曼选择定则的弛豫源于纳米晶基体具有局域三方晶格畸变。