日期:
来源:雅诚德英语网
He had a tube with electrodes potted in it filled with atomic hydrogen. And by applying a voltage, he was able to get the gas to glow.
他有一根装着电极的管子,里面充满了氢原子。通过施加电压,他能够使气体发光。
He had a tube with electrodes potted in it filled with atomic hydrogen. And by applying a voltage, he was able to get the gas to glow.
他有一根装着电极的管子,里面充满了氢原子。通过施加电压,他能够使气体发光。