Objective To provide some guidance for equipment design and maintenance in low-temperature servicing areas in China. Methods Consecutive years of low-temperature data in 125 meteorological stations of plateau and northern China was collected to for statistical analysis. Referring to the US military standard MIL-STD-810G and the UK defense standard DEF STAN 00-35, and combining with the low-temperature environment in China and the practical status of the existing meteorological data, the low-temperature environment in China was classified, and the statistical data of the low-temperature environment was analyzed. Results The low-temperature environment in China was divided into six types:C0,>-9℃;C1,-19~-10℃;C2,-29~-20℃;C3,-39~-30℃;C4,-49~-40℃;C5,<-50℃. Conclusion The distribution map of low-temperature regions in the mainland of China was given, and it was useful for the development of weapons for service under low-temperature conditions.%目的：为我国低温服役地区的装备设计及防护维修提供一定的指导。方法统计我国北方及高原地区125个气象站点连续多年的低温数据。参照MIL-STD-810G和DEF STAN 00-35，结合我国低温环境以及现有气象数据实际情况，对我国低温环境进行分类，并对低温环境统计数据进行分析。结果将我国低温环境划分为6种类型：微微寒（C0），>-9℃；微寒（C1），-19～-10℃；中寒（C2），-29～-20℃；寒（C3），-39～-30℃；严寒（C4），-49～-40℃；极寒（C5），＜-50℃。结论给出了我国大陆低温地区的低温分布图，对低温条件下服役的武器装备的研制有一定的指导意义。
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