“step attenuator”的概念、定义、翻译、参考文献-科学参考

单词	step attenuator
释义	step attenuator [`step ǝ´ten·yǝ´wād·ǝr] ^ELECTRONICS An attenuator in which the attenuation can be varied in precisely known steps by means of switches.
随便看	grid bearing grid bias grid-bias cell grid blocking grid blocking capacitor grid cap grid capacitor grid-cathode capacitance grid characteristic grid circuit grid condenser grid conductance grid control grid-controlled mercury-arc rectifier grid-controlled rectifier grid control tube grid convergence grid course grid current grid declination grid-dip meter grid-dip oscillator grid direction grid drive grid driving power

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