Optics and optical instruments - environmental test methods - combined cold, low air pressure.

光学和光学仪器。环境试验方法。混合式低温和低气压。

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So, Sunphotometer is a common measuring instrument in the fields of foundation research, such as atmosphere physics, atmosphere optics, environmental protection etc.

因而，太阳辐射计是大气物理、大气光学、环境保护等基础研究领域常用的一种野外测量仪器。

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