恒星的自转，是恒星结构和演化理论的难点。
Stellar rotation is a difficult problem of the theory of stellar structure and evolution.
中国实验光干涉仪恒星跟踪器的硬件部分——光机电结构已经确定下来了。
The hardware structure of star tracker in Chinese Interferometer has been determined.
中国实验光干涉仪恒星跟踪器的硬件部分——光机电结构已经确定下来了。
The hardware structure of star tracker in Chinese Interferometer has been determined.
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