“low-frequency current”的概念、定义、翻译、参考文献-科学参考

单词	low-frequency current
释义	low-frequency current [`lō ´frē·kwǝn·sē `kǝ·rǝnt] ^ELECTRICITY An alternating current having a frequency of less than about 300 kilohertz.
随便看	digital plotter digital printer digital private automatic branch exchange digital radio digital radiography digital recorder digital recording digital representation digital resolution digital signal analyzer digital signature digital simulation digital speech communications digital subtraction angiography digital synchronometer digital system digital telemetering digital television digital television converter astigmatizer astigmometer astogeny astomatal Astomatida astomatous

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