“signum function”概念、定义、翻译-科学时代

单词	signum function
释义	信息与系统科学词汇手册 signum function 正负号函数
随便看	fiscal expenditure fiscal federalism fiscal federalism fiscal illusion fiscal incidence fiscal indicators fiscalism fiscalist fiscal levy fiscal measures fiscal military state fiscal-monetary mix fiscal multiplier fiscal neutrality fiscal period fiscal period fiscal policy fiscal policy fiscal policy fiscal policy fiscal policy fiscal rectitude fiscal requirement fiscal reserve fiscal restraint measure

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。