From the Latin duplicatus meaning ‘doubled’, a variety of cloud with overlapping layers at different heights, typified by such genera as stratocumulus, altocumulus, altostratus, cirrostratus, and cirrus. See also cloud classification.
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。