Translate English abbreviations into Chinese,

People's Republic of China (PRC) (People's Republic of China (PRC)) and People's Republic of China (PRC) Postal Rate Committee (USA); IT (information technology) hk (China Special Administrative Region) USA (USA) CAAC (Civil Aviation Administration. Transition China China Civil Aviation) People's Republic of China (PRC) (People's Republic of China (PRC)) CD (CD; MTV World Trade Organization