The phrase "are generated mainly" is correct and usable in written English.
It can be used when discussing the primary source or method of generation for something, indicating that it is the most significant or predominant way.
Example: "The reports are generated mainly through automated data collection systems that analyze user behavior."
Alternatives: "are primarily generated" or "are chiefly produced".
The local detection probabilities P d k are generated mainly based on distances between sensors and target.
These results are generated mainly by the different acquisition angles and the consequent imperfect registration between HS and PAN images.
They are generated mainly dynamically in two ways, either by poor-ozone air mass transport from the tropics to higher latitudes by planetary wave activity or, they are connected with strong adiabatic uplifting of the tropopause height.
Because aldehyde inhibitors such as furfural, HMF, glycolaldehyde, methylglyoxal and vanillin are generated mainly during the biomass hybridization process (Jarboe and Chi 2013; Jayakody et al. 2011), they are able to inhibit microbial growth and interfere with subsequent fermentation (Jayakody et al. 2011; Liu et al. 2008; Mills et al. 2009; Moon and Liu 2012).
Hot temperature extremes are enhanced by dry, compressed wind from the west slopes of the Cascades, while cold temperatures are generated mainly from the Fraser Valley in British Columbia.
The piRNAs are generated mainly from germline cells and are specifically loaded onto germline-specific Argonaute proteins-PIWI proteins [ 70].
In fact, 85% of their total electricity production is being generated mainly using diesel generators [1].
Organizers have a shaky ability to predict turnout, which is generated mainly via the social media.
Like a halo around the moon, a circular structure around the sun would normally be generated mainly by small ice crystals in the atmosphere.
The crisis has been generated mainly due to demography, but also because social care forms part of local government spending – which, unlike the NHS, was not ringfenced in the 2010 spending review.
The airborne noise is generated mainly by the turbo blower and the structure-borne noise is generated mainly by the driving electric motor.
