absorption line

• 吸收谱线,吸收线

absorption line的用法和样例：

例句

1. The Properties of quasar absorption lines are introduced and the new progress in study of QSO absorption lines is reviewed.
   本文介绍了类星体吸收线的性质并评述了近年来类星体吸收研究的最新进展。
2. Therefore,quasar absorption lines are important cosmological probes of formation and evolution of galaxies.
   对类星体吸收线的研究将有助于我们了解星系的形成和演化。