Can I apply for a master's degree in space physics for civil servants of China Meteorological Bureau?

It depends on the annual recruitment information of civil servants. If the position you choose requires a corresponding major, and your major does not meet it, you can't apply. If you don't require a major, you have to look at other requirements, such as political outlook and academic qualifications. If you meet them, you can definitely apply. Call if you don't understand anything.