照明并不精确，否则，聚光照亮的圆锥体范围应该是圆形。
The lighting is not exact; otherwise, the cone cast by the spotlight would be round.
激光照射水银，在远紫外波长范围观察到一条新的水银谱线，波长为2882.2（?）
A now spectral line of 2882.2 A is observed at far UV wave length range.
激光照射水银，在远紫外波长范围观察到一条新的水银谱线，波长为2882.2（?）
A now spectral line of 2882.2 A is observed at far UV wave length range.
应用推荐