The phrase "a key mode" is correct and usable in written English.
It can be used to refer to an important or primary method, approach, or style in a particular context.
Example: "In our analysis, we identified a key mode of communication that significantly impacts team collaboration."
Alternatives: "a primary method" or "an essential approach."
For the last 50 years live art has been a key mode of expression among contemporary artists.
Dr Anya Chapman, of the National Piers Society, says: "The seaside piers around the coast of Britain stand as a powerful reminder of the achievements of Victorian engineers and entrepreneurs". Piers began life in the early 19th century as landing jetties for coastal paddle steamers, which were for many years a key mode of transport for coastal communities.
By tracing efforts to define marijuana as an environmental issue and intervene on its behalf, Dr. Polson argues that environmental concern is a key mode through which the broader anxieties, ethics, and politics of a formalizing marijuana market are being expressed and produced.
The 2D band is a key mode in identification of number of graphene layers.
where R, D, and L denote rate of a key mode, its distortion, and hierarchical layer, respectively.
A key mode for Vostell was the "happening," an art event or situation intended to interrupt everyday life that often involved audience participation and some measure of improvisation or chance.
The proposed method sets the initial GOP size (S) and encodes the first frame at t and the last frame at t + S in a GOP range as the key mode.
This property fuels drug resistance, a key failure mode in oncogene-directed therapy.
Tensile twinning is a key deformation mode in magnesium and its alloys, as well as in other hcp metals.
Automakers have always used lifestyle as a key messaging mode for their branding efforts, but the tech portion is relatively new to their approach – and yet increasingly important.
In The Ends of Literature, Brett Levinson writes that magical realism, "a key aesthetic mode within recent Latin American fiction... materializes when Latin American history reveals itself as incapable of accounting for its own origin, an incapacity which traditionally... represents a demand for a myth: mythos as a means to explain the beginnings which escape history's narrative".
