“negative sign”概念、定义、翻译-科学时代

单词	negative sign
释义	电子通信与自动控制技术词汇手册 negative sign 负号
随便看	scarcity scarcity scarcity index scarcity of labour scarcity price scarcity pricing scarcity theory scarcity value scarcity value scarehead scarf scarf scarf dance scarfing machine scarification scarification scarification scarification scariola scariosa Scarlati，Alessandro Scarlatti，Domenico scarless moxibustion scarlet scarlet fever

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。

negative sign