第二步策略是减小两个传导带态的能量落差，这样一来受激发电子就更容易溢入光子释放态。

The second strategy was to lower the energy difference between the two conduction-band states so that excited electrons would be more likely to spill over into the photon-emitting state.

youdao

第二步策略是减小两个传导带态的能量落差，这样一来受激发电子就更容易溢入光子释放态。

The second strategy was to lower the energy difference between the two conduction-band states so that excited electrons would be more likely to spill over into the photon-emitting state.

youdao