Balmer lines

例句：

1. 1.The Balmer lines are a series of spectral lines that appear in the spectrum of light.
   巴勒默线是一系列出现在光的光谱中的谱线。
2. 2. In music, the Balmer lines are used to represent the notes on a musical scale.
   在音乐中，巴勒默线用来表示音阶上的音符。
3. 3. The Balmer lines are also known as "the violet line" and "the blue line."
   巴勒默线也被称为“紫色线”和“蓝色线”。