The phrase "a key mode of" is correct and usable in written English.
It can be used to describe an important method or approach in a particular context, often in academic or formal writing.
Example: "Collaboration is a key mode of communication in successful team projects."
Alternatives: "an essential method of" or "a primary means of".
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.
DNA methylation is a key mode of epigenetic regulation, which can lead to silencing of genomic regions.
The open-access NaTHNaC website (www.nathnac.org) is a key mode of communication, with both health professionals' and travelers' areas.
A key mode of action that links formaldehyde exposure to cancer involves damage to DNA (Lu et al. 2011; NTP 2011).
A key mode of regulation for synaptic GABAARs is via phosphorylation of substrate sites on β1 3 and γ2 subunits by both serine/threonine and tyrosine kinases (Moss et al., 1995; Vithlani et al., 2011).
The regulation of PTPase catalytic activity by reactions involving the catalytic cysteine is emerging as a key mode for suppressed of these enzymes in signal transduction by hormones and cytokines in the cell (16, 17).
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.
I observe that Shen's poetic appropriation of nature and woman-as-nature allows him to create a sensuously decentralized and morally ambiguous lyricism that resists the pull of social realism, the key mode of the May-fourth literature.
As a matter of fact, current concepts suggest that inhibiting T cell co-stimulation is the key mode of CTLA-4 action.
