例句與造句

1. The effective equation for few cycle optical pulse dynamics was obtained by virtue of the Boltzmann collision-less equation solution for conduction band electrons of semiconductor carbon nanotubes in the case when medium with carbon nanotubes has spatially-modulated refractive index.
2. Resource pulses like this are not uncommon; examples include synchronized heavy seeding by trees and mass deaths of salmon after spawning . " Resource pulse dynamics are occurring in a lot of ecosystems, " Yang said . " Cicadas are just a very clear example ."
3. It's difficult to find pulse dynamics in a sentence. 用pulse dynamics造句挺難的