electron ionisation造句

例句与造句

1. That is, the mean free path of the photons is inversely proportional to the electron ionisation fraction and the baryon number density ( \ mathit { n } _ \ mathit { b } ).
2. The mean free path increases because the " electron ionisation fraction ", \ mathit { x } _ \ mathit { e }, decreases as ionised hydrogen and helium bind with the free, charged electrons.
3. It's difficult to find electron ionisation in a sentence. 用electron ionisation造句挺难的