“sun photometer”的概念、定义、翻译、参考文献-科学参考

单词	sun photometer
释义	sun photometer Encyclopedia 工学太阳光度计释 sun photometer；heliograph太阳光度计安置在地面测量可见光和近红外不同波段的太阳直接辐射和天空散射辐射的仪器。
随便看	low energy nuclear chemistry low-energy nuclear reaction low energy surface low-energy surface low-energy transfer Lowenheim theorem low enriched uranium low enriched uranium (LEU) low enrichment ordinary water reactor lower abdomen lower approximate limit lower approximate value lower arithmetic lower asymptotic density lower atmosphere lower base lower body negative pressure lower Bohl exponent lower bound lower boundary lower boundary condition lower bounded lower bounded variable lower bound of a family lower bound of a function

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