1、这是两个不同的概念,滑移是面缺陷,位错是线缺陷
2、位错有位错密度
3、滑移面是发生在一个平面上。是二维的
4. 摘自wiki:A disclination is a line defect in which rotational symmetry is violated.[1] In analogy with dislocations in crystals, the term, disinclination, for liquid crystals first used by F. C. Frank and since then has been modified to its current usage, disclination[2]. It is a defect in the orientation of director whereas a dislocation is a defect in positional order