“普氏拱理论”的概念、定义、翻译、参考文献-科学参考

单词	普氏拱理论
释义	普氏拱理论 Encyclopedia 理学地下工程释 compressive arch theory普氏拱理论认为隧洞开挖后顶部土体会失去稳定而产生的坍塌，当塌落到一定程度后会形成自稳的压力拱，进入新的稳定平衡状态的理论。又称为平衡拱理论。
随便看	near near-algebra near axial ray near-azeotropic mixture nearbalanced accurate pressure control drilling near balanced perforation near barrier near-barrier nearby dwarf nearby galaxy nearby object nearby space nearby star nearby surface Nearch crater near-circular orbit near-collision nebula near-compactness near-contact binary near continuity Near Death near degeneracy near-Earth asteroid near-earth asteroid near-earth asteroid belt

科学参考收录了854744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。