穿山甲节 、 溜溜球节和冰淇淋节也是属于她的日子.Pangolin Day, Yo - yo Day, and Ice Cream Day are all hers, too.从侧面看, 球节略微倾斜, 坚固, 但是是灵活的.Viewed from the side, pasterns are slightly slanted, with the pastern joint strong, but flexible....
Only magnetic dipole and higher multipole configuratons occur in nature.自然界中只能出现磁偶极子以及磁多极子的形式.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...