| 释义 |
achromatic lens短语¹³¹⁶²⁰⁺³
基本英英例句
消色差透镜
Noun:
a compound lens system that forms an image free from chromatic aberrationThe exact date of the first achromatic doublet's creation is not known, nor is the name of the person who first accomplished the task.第一片消色差透镜确实的发明日期并不清楚，也不清楚第一位发明人是谁。 |