Ccd
abbr. 电荷耦合器件（Charge Coupled Device）
🗣️ 情景例句
No advertising material.
谢绝广告。
Do you often play bridge on Saturday?
你常常在星期六玩桥牌吗？
The further off this solid obstruction, the longer time will elapse for the return of the echo.
固体障碍物越远。回声返回所用时间就越长。