1·It is not suitable for vegetation analysis with a united soil spectral line in the whole country.
不宜用全国统一的一条土壤光谱线来作植被分析。
2·The selection of spectral line, the analytical conditions, the calibration curve and the sample analysis were discussed.
并对测定氮光谱线的选择、氮的分析条件、校准曲线的拟合及样品分析等问题进行了讨论。