| 单词 | sedimentary structure |
| 释义 | sedimentary structure [¦sed·ǝ¦men·trē `strǝk·chǝr] GEOLOGY A structure in sedimentary rocks, such as cross-bedding, ripple marks, and sandstone dikes, produced either contemporaneously with deposition (primary sedimentary structures) or shortly after deposition (secondary sedimentary structures). |
| 随便看 |
科学参考收录了103327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。