任务档案 · MISSION
Shijian 1
第七机械工业部 · 长征一号 (CZ-1) · Launch Area 2A
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任务成功
任务简介
实践一号（SJ-1）是中国的第二颗卫星。它由中国空间技术研究院（CAST）设计和建造。 重221公斤的SJ-1航天器基于东方红一号（DFH-1）卫星，继承了其1米加压球形结构，但由硅太阳能电池供电，这些电池安装在上半球壳和下半球壳的14个梯形平面上。电池和发射机安装在加压舱内。SJ-1采用自旋稳定。
原文
Shi Jian 1 (SJ-1) was the second Chinese satellite. It was designed and built by the Chinese Academy of Space Technology (CAST). The 221 kg SJ-1 spacecraft was based on the DFH-1 satellite, from which it inherited the 1 m pressurized spherical structure, but it was powered by Silicon solar cells, which were mounted on 14 trapezoidal planes on the upper and lower hemispherical shells. Batteries and transmitters were housed in the pressurized compartment. SJ-1 was spin-stabilized.
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