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介绍了一种与星载辐射制冷器连接使用，为红外多光谱扫描仪的地面实验提供冷源的专用配套三路地面制冷设备。叙述了该设备的设计思路、组成、关键技术及技术指标。
This paper introduces a special three-way surface refrigeration equipment which is connected with the satellite radiation cooler and provides the cold source for the infrared multi-spectrum scanner’s ground experiment. Described the design of the device ideas, composition, key technologies and technical indicators.