From the Latin calvus meaning ‘bald’ or ‘stripped’; a species of cumulonimbus cloud in which upper protrusions form a more amorphous mass than appears from the cumuliform outlines. 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。