Phillips-Van Vechten-Levine-Xue bond theory is detailed introduced with its general applications on the non-linear optical properties of borates.

• 从硼酸盐晶体的结构出发,综述了硼酸盐的不同分类方法,并在此基础上详细介绍了复杂晶体化学键理论及其在硼酸盐晶体非线性光学性质上的应用。