“钻机”的概念、定义、翻译、参考文献-科学参考

单词	钻机
释义	钻机 Encyclopedia 工学钻机释 drilling rig钻机在石油钻井中，用来带动钻具破碎岩石，向地下钻进，钻出规定井眼，以获取石油或天然气的地面成套钻井设备。理学钻机释 drill rig钻机在地质勘探过程中，带动钻具从地下钻取岩心、矿心、岩屑、液态样、气态样等实物地质资源的专用机械设备。
随便看	positive contrast positive contribution positive contribution Monte Carlo method positive control positive correlation positive crystal positive current positive curvature positive curvature manifold positive cycle positive definite positive definite bi linear form positive definite bi-linear form positive definite closed form positive definite form positive definite function positive definite functional positive definite Hermitian matrix positive definite inner product axiom positive definite kernel positive definite matrix positive definiteness positive definite operator positive definite potential positive definite product

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。