reflectivity spectrum的用法和樣例：
例句
- The influence of kraft pulp consistency on the reflecting spectrum was studied in detail.
就硫酸鹽紙漿濃度對紙漿反射光譜的影響進行了研究。 - The principles and methods were introduced for measuring soil organic matter content with the aid of spectrum data diffusely reflected by the soil.
摘要闡述了利用有機質的反射光譜特性對土壤有機質含量進行測定的原理及方法。
