helium-neonCOCA¹⁹⁶⁴⁶⁸BNC¹⁴⁴⁶⁶⁴⁺³ 基本例句 🌏氦氖雷射 In this paper, mapping of spectral diagram of Helium- Neon is introduced in using of prism reader. Self-made Helium-Neon spectrum is used as comparison spectrum when hydrogen spectrum. 介绍一种绘制氦氖光谱图的方法。举例说明使用自制的光谱图作为比较谱，测得的氢光谱线波长及里德伯常量的准确程度，满足了实验教学的要求。 cnki