“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	coupled column coupled engine coupled field vectors coupled harmonic oscillators coupled modes coupled oscillators coupled reaction coupled systems coupled transistors coupled wave coupler coupling coupling agent coupling aperture coupling capacitor coupling coefficient coupling constant coupling hole coupling loop coupling probe coupling slot coupon Courant condition course course angle

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