“signum”的概念、定义、翻译、参考文献-科学参考

单词	signum
释义	signum [`sig·nǝm] ^MATHEMATICS The real function sgn(x ) defined for all x different from zero, where sgn(x ) = 1 if x > 0 and sgn(x ) = -1 if x 0.
随便看	electrolytic refining electrolytic rheostat electrolytic separation electrolytic solution electrolytic strip electrolytic switch electrolytic tank electrolytic tough pitch electromachining electromagnet electromagnetic electromagnetic amplifying lens electromagnetic brake electromagnetic cathode-ray tube electromagnetic clutch electromagnetic compatibility electromagnetic complex electromagnetic constant electromagnetic coupling electromagnetic crack detector electromagnetic current electromagnetic damping electromagnetic deflection electromagnetic energy electromagnetic environment

科学参考收录了103327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。