The phrase "a dynamic sector" is correct and usable in written English.
It can be used to describe an industry or area that is constantly changing and evolving, often in a positive or innovative way.
Example: "The technology industry is considered a dynamic sector due to its rapid advancements and the constant emergence of new trends."
Alternatives: "an evolving industry" or "a fast-paced field".
Elaborating at news conference in Brussels on Friday, Mr. Colombani reiterated that no formal complaints had been brought against Apple, and suggested that regulators would need to judge the relevance of any allegations in such a dynamic sector before taking any steps that could lead to a formal antitrust case.
The ceramic tile industry is a dynamic sector whose technological innovation and market trends have drawn a complex picture of products and processes.
Health care is a dynamic sector of many national economies.
The authors proposed an effective reasoning for managing the enterprise value chain, considering a highly dynamic sector ″Cosmetic and personal care industry″ that represents a key driver for boosting the competitiveness of business market.
They're doing it because they know it's a growing dynamic sector.
This might come through technical training, extra responsibility, exposure to new technologies or the opportunity to work in a more dynamic sector.
Little's vision, and that of the editors and other contributors, of the future of pastoralism is one of a modern, dynamic sector in which pastoralists adapt in new and innovative ways to challenging political and ecological environments.
"The return of Star Wars to Sceilg Mhichíl is another win for Ireland and the Irish film industry, which is a growing and dynamic sector of our economy".
I'll be blogging here when I can to share my perspective on the reforms and how the policy team is working to help Hertfordshire, as part of a diverse and dynamic sector, survive and thrive in the emerging new environment.
Iraq has historically had a dynamic private sector and a politicized public sector, and an effort to restructure this condition might have proved beneficial to the population and the domestic market.
Some emphasized the need to incorporate entrepreneurship in the education sector to younger generations the importance of building a dynamic business sector to economic development.
