The Lower Permian red beds underlying the Zechstein. Although old, the word is still very much in use, notably in the oil industry, since much of northern Europe’s natural gas is obtained from this rock unit.
科学参考收录了60776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。