Dispersion ray光照dispersionn.散布；分散；弥散；色散dispersion polymerization分散聚合dispersion of residual oil分散剩余油dispersion of unemployment失业率的差别dispersion element anomaly分散元素异常dispersion-strengthening弥散硬化dispersion-flatted fiber色散平坦光纤dispersion of distribution分布宽度dispersion unshifted fiber色散无迁移光纤dispersion-shifted fiber色散位移光纤dispersion managed soliton色散管理孤子