词汇	murva
释义	murva 🌏默里
随便看	negative-going sync pulse negative-going threshold voltage negative going transition negative-going transition negative goodwill negative good will negative good-will negative gradient negative grading negative gravitational anomaly Negative gravitation field negative gravity negative grid negative grid bias negative-grid bias negative-grid characteristic negative grid characteristics negative-grid characteristics negative grid current negative-grid current negative grid generator negative-grid generator negative grid oscillator negative-grid oscillator negative-grid superhigh frequency tube