a sensor consisting of one or more photocells which uses variations in the amount of light reaching the cells to detect the passage of an airborne…
| 单词 | θ64891 |
| 释义 | the world > physical sensation > sight and vision > optical instruments > instruments for projecting image > [noun] > visual display units > to record or detect travel through sky (1) sky screen1945 a sensor consisting of one or more photocells which uses variations in the amount of light reaching the cells to detect the passage of an airborne… |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。