短語詞組短語energy level relaxation 能級弛豫cross energy relaxation 交叉能量弛豫Energy relaxation time 能量弛豫時間intramolecular energy relaxation processes 分子內(nèi)能量弛豫過程vibrational energy relaxation time 振動能量弛豫時間energy transfer and relaxation processes 能量傳遞和弛豫過程Inter -Band Energy Relaxation 釋放 返回 energy relaxation