scatterern.扩散器(散射体)scattervt.散播；撒；驱散vi.分散；消散n.散布；零星少量scattered-brainn.健忘的scattering nature散射性质scatter/gathern.分散/集中scattering factor散射因数,散射因子scattering method分散方法scattering length散射长度scattering effect散射效应scattering object散射体scatter of points点的分布scattered neutron散射中子