plasma density的用法和樣例：
例句
- The electron beam can be transported in the unmagnetized plasma for two reasons.
等離子體密度變化過程中，輸出存在有峰值功率點。 - The plasma density gratings have been proposed to manipulate high power ultrashort laser pulses, such as speed reduction, pulse stretching and compression.
首次提出了用等離子體密度光柵來對高功率超短脈衝激光進行速度減慢，脈衝展寬和壓縮等操縱的理論，並通過數值模擬得以證實。
