Applied to medium-grained, intrusive igneous rocks which have crystallized at shallow depth below the Earth’s surface. There is, however, no sharply defined or agreed depth limit to the term ‘shallow’.
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。