单词：diffraction mottling
射斑点
diffraction mottling的用法和样例：
例句
- The electron diffraction pattern corresponding to the reciprocal planes consisting of common reciprocal points only will superpose on the matrix spots.仅由相重倒易点构成的倒易面所对应的电子衍射图必定被基体的衍射斑点所覆盖。