The beginning of atomic physics is marked by the discovery and scrutinious study of spectral lines.
The beginning of atomic physics is marked by the discovery and scrutinious study of spectral lines.
谱线的发现和深入研究标志着原子物理学的开端。
The beginning of atomic physics is marked by the discovery and scrutinious study of spectral lines.
谱线的发现和深入研究标志着原子物理学的开端。