“正负号”的概念、定义、翻译、参考文献-科学参考

单词	正负号
释义	正负号 Physics 通类数学 plus-minus sign正负号 sign①符号 ②正负[号] ③标识 Mathematics sign记号，符号，正负号
随便看	proper triple *-property Property property property-based remote attestation property boundary survey property C Property company property damage insurance property development of urban rail transit property dividend property income property in dance property insurance property insurance underwriting property line property management agency property manager property nationalization property of atomic nucleus property of electrostatic equilibrium in conductors property of flush fluid property of food property of liquid HeII property of liquid HeⅡ

科学参考收录了854744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。