“庞特里亚金类”的概念、定义、翻译、参考文献-科学参考

单词	庞特里亚金类
释义	庞特里亚金类 Physics ＞理论物理学＞数学物理＞释义 Pontryagin class庞特里亚金类 Mathematics ＞拓扑学与几何学＞代数拓扑学＞释义 Pontryagin class庞特里亚金类 Pontryagin class庞特里亚金类^†
随便看	safety decision of engineering project construction safety decision type safety degree education safety degree of gas drainage safety depth safety design safety detonating control System of conventional warhead safety device of pressure machinery safety distance safety distance of explosives safety driving assist technology safety early warning of rock engineering safety early warning system of civil engineering health monitoring safety economic policy safety economics safety economy safety economy analysis method safety economy assessment safety economy management safety economy principle safety education safety education for seismic crew safety education in university safety engineering continues education safety ergonomics

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。