chromatic difference

• 色差

chromatic difference的用法和样例：

例句

1. The resultant defect is known as chromatic aberration.
   由此而产生的缺陷叫做色差。
2. It's an easy matter to observe chromatic aberrations, with a thick, simple converging lens.
   用一厚的简单会聚透镜很容易观察色差。