interaction mean free path造句
例句與造句
- where " I " o is the initial flux, path length ?x a " " x " & minus; " x " o, the second equality defines an interaction mean free path ?, the third uses the number of targets per unit volume ? to define an area cross-section ?, and the last uses the target mass density ? to define a density mean free path ?.
- It's difficult to find interaction mean free path in a sentence. 用interaction mean free path造句挺難的