The phrase "a key comparison" is correct and usable in written English.
It can be used when discussing an important or significant comparison between two or more items, concepts, or ideas.
Example: "In our analysis, a key comparison between the two products reveals distinct advantages and disadvantages that consumers should consider."
Alternatives: "a crucial comparison" or "an important comparison".
A key comparison is between the effectiveness of material grading, geometric grading (i.e. plate thickness variations), and using both simultaneously.
Seang-Mei Saw, an ophthalmic researcher with the National University of Singapore, led a key comparison of 6- and 7-year-old children of Chinese ethnicity living in Sydney and Singapore.
The finding that more than half of those reporting lifetime abstention had reported in 1 of the earlier assessments drinking at some time in their life should strongly caution against using this variable as a key comparison for alcohol epidemiology.
However, a key comparison showed a trend towards a negative correlation (using preferred orientation responses) for the condition which could be viewed as showing 'pure' effects of surround influences and pure effects of attention, i.e. when the surround MI (attend away) was compared with the attend MI (no surround).
In this work, a 68(Ge+Ga) solution has been standardized at the National Institute of Ionizing Radiation Metrology (LNMRI), in Brazil, in the frame of an international key comparison CCRI II -K2.Ge-68 piloted by National Institute of Standards and TeCCRI II -K2.Ge-68A).
Currently, there are also no data for the key comparison of an AI upfront vs sequencing after tamoxifen.
Some NGOs criticised the report for missing entirely the key comparison of the effectiveness of a private sector-led approach to poverty alleviation over a public sector-led one.
Identify key comparison groups.
Finally, we report on the status of the first European Association of National Metrology Institutes EURAMETT) Key Comparison on autocollimator calibration.
In the paper the evaluation of inconsistent key comparison data is considered.
But I think that misses the real key comparison.
