The phrase "are of major value" is correct and usable in written English.
It can be used to express the significance or importance of something in a particular context.
Example: "The insights gained from this research are of major value to our understanding of climate change."
Alternatives: "are highly valuable" or "hold significant importance."
When deciding treatment for the depressive patient, nearly all GPs considered that their own clinical experiences of the treatment had great importance, and, for a majority, also patients' own preferences and clinical guidelines to treatment were of major value (Fig. 1).
The protection which the orthodox rule or the Massachusetts doctrine affords the accused is of major value to him.
Information such as the number of no-balls and the moments when they might take place would be of major value to betting syndicates.
This information is expected to be of major value in future analysis of lysozyme function and in studies of the dynamics of evolution by gene duplication.
Therefore, determination of oxidative damage markers (for example, LP and CO) and total AOC is of major value in assessing the effects of ROI in biological systems [ 11].
The family physician holds a principal position as the social relationship of a patient to doctors and caregivers is of major value to the dying.
Despite this discrepancy to human diseases, the analysis of these models is of major value for the understanding of the disease-underlying biochemical and cell biological mechanisms, including genetic interactions (Ewaleifoh et al., 2012; Bogdanik et al., 2013).
Studies concerned ribbed duct are of major applicable value to designing and enhancing heat transfer systems.
The Knicks will not trade Ewing for substandard player, and they know that his 15 points and 10 rebounds a night are still of major value.
But this season, like every Ballet Theater season I've ever watched since I first saw the company in 1977, bequeathed another, larger but much vaguer impression: whenever Ballet Theater starts to be artistically of major value, something makes it fall short.
