“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	Daping tune opera DAPk Dapulian pig Dapulu Tunnel Under Huangpu River Daqiang Opera Daqin Daqin Dao Daqing Changyuan Oilfield Daqing clay Daqing forest belt Daqinggou national nature reserve Daqing He daqinglong decoction Daqing Museum Daqing National Forest Park Daqing Oil-exploration Campaign Daqing Shan Daqingshan daqingshanite-Ce Daqingshan national nature reserve Daqingshan Yizhi Daqing Shi Daqing shi Lianhuanhu Nature Reserve Da Qing Yi Tong Zhi (book about historical geography of Qing Dynasty) Daqing Youtian

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。