| 单词 | photoelectric densitometer |
| 释义 | photoelectric densitometer [¦fōd·ō·i`lek·trik ´den·sǝ`täm·ǝd·ǝr] ENGINEERING An electronic instrument used to measure the density or opacity of a film or other material; a beam of light is directed through the material, and the amount of light transmitted is measured with a photocell and meter. |
| 随便看 |
科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。