Technology subjects consist mainly of engineers,technicians and entrepreneurs.Technology sub-jects as the leading force of technology activities perceive doubts and problems from the conventional situation with their keen perception.At the same time,with excellent on-site operational ability,they make full use of the current limited conditions,and reasonably draw on scientific theories and artistic concepts to realize efficient and optimized transformation of the existing systems.Accordingly,technical subjects fully embody and exert their characteristics such as competence of perception,competence of creation,competence of action,and so on.