Complex sentence: The Type 003 aircraft carrier is a planned third generation Chinese-designed and advanced nuclear-powered aircraft carrier design which will allow Type 003 to travel great distances, unlike the Type 001 and Type 001a which can only be used in the South China Sea.
Split into simpler sentences: The Type 003 aircraft carrier is a planned third generation Chinese-designed and advanced nuclear-powered aircraft carrier design which will allow Type 003 to travel great distances. Unlike the Type 001 and Type 001a which can only be used in the South China Sea.