词汇	地贡
释义	地贡 dì gòng出自土地的贡物、赋税。地貢
随便看	self-exceeding self exceeding of the subject self exchange self-excitation conditions self-excitation driving self-excitation exciting winding self-excitation interference self-excitation lowfrequency generator self-excitation low-frequency generator self-excitation method regeneration generator self-excitation modulation amplifier self-excitation motor self-excitation optical pumping magnetometer self-excitation oscillating self-excitation oscillation self-excitation oscillator self-excitation phenomena self-excitation power supply self-excitation process selfexcitations self-excitations self-excitation soft start-up circuit self excitation threshold self-excitation threshold self-excitation transductor