单词 | impression |
释义 | impression [im`presh·ǝn] GEOLOGY A form left on a soft soil surface by plant parts; the soil hardens and usually the imprint is a concave feature. GRAPHIC ARTS 1. A print made from an engraved plate. 2. A press run or printing of a book. METALLURGY A machined cavity in a forging die for production of a specific geometric shape in the workpiece. |
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。