Due to the rapid pace of technological evolution, formalized terms are still seemingly vague.

It depicts royal patrons of the school and symbols of constitutional and technological evolution.

Along with technological evolution, the plant has successfully altered its product mix to suit the requirements of changing times.

That allowed it to respond to the needs of various sectors of the economy and to be in the avant-garde of scientific and technological evolution.

There are no official definitions of these generations; rather, they represent the notion that there are stages in the development of fighter design approaches, performance capabilities, and technological evolution.