“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	transitory stimulus transit particle transit priority operation system transit radio telescope transitrol transitron transit satellite navigation system transit scheduling transit service measure transit service performance transit signal priority transit survey Transit system transit telescope transit time transit time effect transit timing transjugular intrahepatic portosystemic shunts transketolase translatability translate translated Translated Literature translated literature in modern China translated text

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。