The phrase "a complex variety of" is correct and usable in written English.
It can be used to describe a diverse and intricate range of items, ideas, or phenomena.
Example: "The research revealed a complex variety of factors influencing climate change."
Alternatives: "a diverse range of" or "a multifaceted assortment of".
A few years ago, there was a complex variety of choices, but there are now just two — 720p or 1080p.
C. 1330 c. 1400 William Langland, (born c. 1330 died c. 1400), presumed author of one of the greatest examples of Middle English alliterative poetry, generally known as Piers Plowman, an allegorical work with a complex variety of religious themes.
American military logisticians have had to face a complex variety of problems.
Due to this promise, over the last years the scientific community has designed a complex variety of these valuable innovations.
The discussion just completed, however, suggests reason to worry about this approach: there is not one ethical supervenience thesis but instead a complex variety of such theses.
In short, model building involves a complex variety of internal nonformal aspects, some of which are implicit (theses #2 and #3).
This is the first test of the question whether the combination of rbcL and trnL-F (intron and IGS) possesses all the necessary qualities for standard DNA barcoding across a wide, complex variety of fern taxa.
This diversity results in an extraordinary number of compounds of natural products with a wide and complex variety of molecular structures and represents an economic potential in biomass to be explored [3].
The biodiversity of Brazil contains an extraordinary number of compounds from natural products with a wide and complex variety of molecular structures, therefore representing an economic potential in biomasses to be explored.
Beyond inaccessible cardinals there is a rich and complex variety of large cardinals, which form a linear hierarchy in terms of consistency strength, and in many cases also in terms of outright implication.
As a result, sewage workers experience exposure to a wide and complex variety of chemicals many being known or suspected genotoxicants and/or carcinogens [ 6, 7].
