How big is the universe? It is a question that the human nature seeks to discover. In the journey of discovering the unknown, the Chinese astronomical people will not be afraid of hardship and
innovation, and play the new rhapsody in the exploration of the universe. "The development of astronomy is the wisdom of all mankind to know the universe. Over the next 20 years is radio astronomy,
and the "golden age" of astronomy, increasing scientific and technological innovation, to deeper exploration of the universe, let us have the confidence of a breakthrough in frontier fields of
science."