“岩心”的概念、定义、翻译、参考文献-科学参考

单词	岩心
释义	岩心 Encyclopedia 工学岩心释 drilling core岩心在钻井过程中，用取心工具从井下取出的岩石。理学钻进工艺释 core岩心钻探施工过程中，用取心管和环状钻头从地层中钻进取出的圆柱状实物样品。从矿体或矿层中钻取的样品称矿心。
随便看	principal and secondary graph analysis principal antiautomorphism principal approximate value principal argument principal automorphism principal axes principal axes of stress principal axis principal-axis method principal axis of inertia principal axis of strain principal axis solution principal axis transformation principal-axis transformation principal band principal base principal bending moment principal block principal branch principal bronchus principal bundle principal bundle connection principal category principal cell principal character

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。