“pit bottom”的概念、定义、翻译、参考文献-科学参考

单词	pit bottom
释义	pit bottom Encyclopedia 工学井底车场释 shaft station；pit bottom井底车场连接矿井中主要提升井筒和中段运输大巷的一组巷道和硐室的总称。是转送人员、矿岩、设备、材料的场所，也是井下排水和动力供应的转换中心。
随便看	quadratic estimator quadratic expression quadratic extension quadratic extension field quadratic factoring method quadratic field quadratic field extension quadratic form quadratic form of a knot quadratic form of a link quadratic form of a quiver quadratic form over a vector space quadratic form rank quadratic form signature quadratic forms of same type quadratic formula quadratic function quadratic functional quadratic group quadratic hypersurface quadratic ideal quadratic inequality quadratic inequality constrained least squares problem quadratic inequality constrained least-squares problem quadratic integrability

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。