1. Difficulty of Physics Postgraduate Entrance Examination in Zhuhai Campus of Sun Yat-sen University: The average score of Physics Postgraduate Entrance Examination is 295, which is only higher than the national line 15. The test paper is a test that teachers of Sun Yat-sen University take part in, which is biased towards the level of students in our school. To sum up, it is difficult for Sun Yat-sen University Zhuhai Campus to take the postgraduate entrance examination for physics.

2. Difficulty in the postgraduate entrance examination of Astronomy College in Zhuhai Campus of Sun Yat-sen University: The average score of astronomy postgraduate entrance examination is 285, but it is only 5 points higher than the national line, and there is no teacher from Sun Yat-sen University in the examination. To sum up, it is very difficult for Sun Yat-sen University Zhuhai Campus to take the astronomy postgraduate entrance examination. Sun Yat-sen University, referred to as CUHK, is located in Guangzhou, Guangdong Province, directly under the Ministry of Education of People's Republic of China (PRC).