甚至在19世纪60年代,就已经有了一个相当广泛的元素谱线模式库。
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(?)
The influence of different soil spectral line on plant canopy and greenness assessment was discussed.讨论了不同土壤光谱线对绿度及植被覆盖度估计的误差。