无机化学求助!!!? 原文they are a class of crystal materials with special properties,such as downconversion or upconversion fluorescence, thepotential for use in lasers, ising dipolar ferromagnetism,and a wide variety of collective quantum effects, ranging from quantum tunneling of single moments and domain walls to quantum annealing , macroscopic quantum entanglement, coherent spin oscillations (rabi oscillations), quantum phase transition, and the disordered system of a random field 红字部分怎么解释啊 谢谢了!!!!查看更多