natural line width
常见例句
- In astronomical situations, the natural line width is seldom directly observed.
在天文学研究中,谱线固有宽度很少能直接观测到。 - Why It's Unique: The tunnel's 200-foot width is largeenough to accommodate trains, so in 1906 Southern Railway established apassenger line that snaked under the natural structure.
独特之处: 该隧道的200英尺的宽度足以容纳火车通过,所以在1906年,南方铁路规划的客运线就从这个天然的隧道下蜿蜒而过。 返回 natural line width