The phrase "key fields" is correct and can be used in written English.
You can use "key fields" to describe important aspects or areas of a subject, project, or field of study. For example, "Research into the innovative technology is focused on four key fields: energy, mobility, communication, and healthcare."
In key fields such as science and technology, we are going backward.
Oil production itself has recently dropped in certain key fields, requiring a major injection of government money.
That effort has been spurred by elimination of monopoly protections in many countries, which has forced Europe's old-style energy conglomerates to prune their tangle of unrelated businesses and then expand aggressively in key fields.
Drawing on evidence from experts including educationalists, psychologists, neuroscientists and biologists in key fields such as child wellbeing, the importance of family relationships, the purpose of education, the role of play, children's connection with nature, the impact of digital technology, the commercialisation of childhood, the group aims eventually to mount a coherent call for change.
Mr Hu said the private sector should enjoy a "level playing field", but he also said the state should boost its investment in "key fields that comprise the lifeline of the economy".There is unlikely to be fierce debate over these issues at the congress.
An extra £600m to be spent on science over the next three years was widely welcomed by scientists as the Government began to flesh out how it intends to stimulate eight key fields of scientific research that it sees as critical to the British economy.
(a) Key fields in the program running screen.
(a) Key fields in the reagent editing screen.
(a) Key fields in the program editing screen.
Tehran remains a threat to Riyadh in key fields: –Support for Palestine.
These experts will represent key fields of Quartet Helix: the Government, Industries, Academia and NGOs/citizens/customers/end users.
