“double-current signaling”的概念、定义、翻译、参考文献-科学参考

单词	double-current signaling
释义	double-current signaling [¦dǝb·ǝl ¦kǝ·rǝnt `sig·nǝl·iŋ] ^{COMMUNICATIONS} A system of telegraph signaling that uses both positive and negative currents.
随便看	conversion coating conversion coefficient conversion electron conversion equipment conversion factor conversion fraction conversion gain conversion length conversion polarity conversion program conversion rate conversion ratio conversion reaction conversion routine conversion table fault basin fault block fault-block mountain fault breccia fault cliff fault current fault electrode current fault escarpment fault finder faulting

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