“negative sign”概念、定义、翻译-科学时代

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

单词	negative sign
释义	工程与技术词汇手册 negative sign 负号
随便看	nuclear evaporation nuclear event nuclear event heat damage nuclear excavation nuclear exchange nuclear excitation nuclear excitation energy nuclear exercise nuclear explosion nuclear explosion nuclear explosion nuclear explosion casualties nuclear explosion cavity formation nuclear explosion centre nuclear explosion close-in data nuclear explosion close-in shock nuclear explosion damage factor simulation nuclear explosion debris cloud nuclear explosion debris energy absorption coefficient nuclear explosion debris radiance nuclear explosion detection and location system nuclear explosion dust column nuclear explosion effect in air nuclear explosion effect prediction nuclear explosion effect simulation

negative sign