示范答案：
China is the country with certain space technologies, and of course our government pays billions of RMB for the relevant research. As far as I can remember, China successfully launched a meteorological satellite in 1980s, which could work round clock for taking pictures. Through this satellite, weather prediction is not rocket science. Nowadays, this satellite has already been retired for many years. Fortunately, launching rockets with satellites is an easy task as we do that quite often.
