有好几个依地语词描述社交不适应。
本文主要描述依巴谷卫星的光学观测原理，资料处理方法。
In this paper, the observation principle and data reduction method of HIPPARCOS are described.
本文主要描述依巴谷卫星的光学观测原理，资料处理方法。
In this paper, the observation principle and data reduction method of HIPPARCOS are described.
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