The phrase "as extremely complex" is correct and usable in written English.
It can be used to describe something that is very complicated or intricate in nature.
Example: "The problem we are facing is as extremely complex as it is multifaceted, requiring a thorough analysis to understand all its dimensions."
Alternatives: "as highly intricate" or "as very complicated."
Scotland Yard sources yesterday described the case as "extremely complex".
The presiding judge, Mrs Justice Proudman, described the case as "extremely complex".
There is a danger that clinical trials will be satisfied with measuring patients' reports of symptoms and will fight shy of measuring what the FDA are describing as ' extremely complex concepts such as quality of life'.
Another regulation known as the Lead-Safe Housing Rule requires that landlords who take federal funds for renting pre-1978 housing follow what ORR describes as "extremely complex" federal regulations aimed at addressing and containing lead hazards.
Rather than looking to natural selection as the key agent of change in evolution, these thinkers see order arising spontaneously in all sorts of places around us, such as in snowflakes, crystals, as well as in extremely complex organisms like ourselves and many other creatures, as a compounding of these more basic sources of order.
The reasons therefore are numerous including ethical reasons, as well as the extremely complex anatomical structure of the vocal fold.
Breast cancer is one of the most common malignant tumors in females, and its etiology as well as prognosis is extremely complex.
Dr Ben Kroon, a gynaecologist who has researched posthumous sperm donation, described it as an "extremely complex and challenging area of reproductive medicine".
This simultaneous optimization problem was defined as an extremely complex optimization problem [18].
Indeed, hydrothermal fluids can be defined as an extremely complex and unusual matrix in which organic compounds are dissolved.
The regeneration of cities and the development of new future development perspectives must be understood as an extremely complex, long-term process, in which innovation, flexibility, and collaborative efforts are of the highest importance.
