A term synonymous with crenulation cleavage, but which some authorities (e.g. C. McA. Powell, 1979) have suggested should not be used in cleavage descriptions, owing to the implications it carries of the mode of origin.
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。