基本解釋[化學]過渡時振蕩詞組短語短語transit -time radiation oscillator 渡越輻射振蕩器radial transit -time oscillator 徑向渡越時間振蕩器x -band transit time tube oscillator 波段渡越管振蕩器transit-time oscillator更多詞組專業(yè)釋義化學過渡時振蕩