coronal discharge的用法和樣例：
例句
- In this paper, a spectrum analysis system with high sensitivity has been set up, and corona spectra in air were obtained under several different discharge conditions.
本文建立了一套高靈敏度的光譜分析系統，對空氣中幾種不同放電條件下的電暈放電進行了光譜分析。 - A plasma arc loudspeaker or plasma-dynamic loudspeaker is a loudspeaker that creates sound by varying air pressure through a corona discharge or electric arc.
等離子弧喇叭，又名等離子動態喇叭，是一種通過電暈放電或電弧改變空氣壓力發聲的喇叭。
