在一些教材中,关于晶格、点阵、晶胞的某些说法不够准确,如能从“虚实辩证法”的角度来了解它们之间的关系,将有利于学生对点阵与晶格等建立起正确的概念。先认识一下“虚”的点阵、晶格概念。我们知道,为 In some textbooks, some of the statements about lattices, lattice points and unit cells are not accurate enough. If we can understand the relationship between them in terms of the “dialectical reality and dialectics,” it will be helpful for students to establish lattice and lattice Correct concept. First understand the “virtual” lattice, lattice concept. We know, for