高频光谱 meaning in English

high frequency spectrum
high-frequency spectrum

As a new mechanism of producing laser , lwi can produce laser in the fields that it is very difficult even impossible to get laser ( x or even r spectrum ) using the traditional methods . so nowadays it has attracted the interest of a lot of people
作为一种产生激光的新型机制，应用无反转激光可以在应用传统激光理论和方法很难甚至不可能产生激光的高频光谱区( x -射线甚至-射线区)产生激光，因此近年来引起人们的很大兴趣。