单词 | harmless-depth theory |
释义 | harmless-depth theory [`härm·lǝs ¦depth ´thē·ǝ·rē] MINING ENGINEERING Formerly, the hypothesis that there was a certain depth below which mining could be carried on without risk of damage to the surface. |
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。