“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	netting direction netting machine netting material netting needle netting needle netting shuttle netting tearing strength netting twine nettle nettle nettle nettle nettle-rash nettle soup net ton net ton net tonnage net total cash value net traffic net transfer income from abroad net transfer-in of quota net transfer-out of quota net transport net tunnel baking oven net TV

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。