Building an aircraft carrier and building a destroyer are completely two concepts. Although they all belong to military ships, the aircraft carrier is not only bigger, but also involves more complicated aspects than destroyers.

Such as hull structure, cabin layout, modular functional layout, power equipment, anti-sinking design and so on. In addition, the aircraft carrier also involves some systems that other ordinary medium and small ships do not have, such as straight deck, giant elevator, carrier aircraft, large catapult and so on. Therefore, it can be seen that building a destroyer may not necessarily build an aircraft carrier.

In addition, aircraft carriers cannot be built in countries with large civilian ships (such as China). On the one hand, after all, military ships are very different from civilian ships (such as materials, construction technology requirements, uses, etc. On the other hand, it is still based on the above reasons (the aircraft carrier has its own uniqueness). So it can be said that the aircraft carrier is a systematic project. Although we can learn from the construction of other different types of ships, it is also an aircraft carrier, and some of its key technologies are irreplaceable by other ships and civilian ships.