The spatial singularity of the pulsed beams is also discussed when the slowly varying envelope approximation is introduced.

讨论了引入缓变包络近似后出现的时空奇异性。

youdao

The spatial singularity of the pulsed beams is also discussed when the slowly varying envelope approximation is introduced.

讨论了引入缓变包络近似后出现的时空奇异性。

youdao