The phrase "a number of sections" is correct and usable in written English.
It can be used when referring to multiple sections within a document, report, or any structured content.
Example: "The report is divided into a number of sections, each addressing a different aspect of the research."
Alternatives: "several sections" or "multiple sections".
After two serious breakdowns, a number of sections and treatment ranging from major tranquillisers to 12 rounds of electroconvulsive therapy (ECT), Heyes's positivity and drive are tremendously impressive.
A number of sections of temporary seating at Cowboys Stadium in Arlington, Tex., were not completed in time for Sunday's game.
Our new website has now launched for readers in the US and Australia, and over the past few weeks we have relaunched a number of sections for all our readers across the world.
The ABA's work is principally carried out by a number of sections and standing and special committees, each of which is devoted to a special field of practice or to subjects of special concern to the bar and the public.
A sand mold, made of special sand held together by a binder, is built up around a rigid positive, usually in a number of sections held together in metal boxes.
Although these designations were applied to a great variety of pieces some identical in style to the fantasia or prelude the classic ricercare of the 16th century was virtually an instrumental motet, slow and churchlike in character and consisting of a number of sections, each utilizing imitation.
"We think a number of these sections that we might want to delve more deeply into are sections that people might want to underwrite," Koechley said.
Sites like Backpage also have a number of different sections; the primary place for ads selling sex are in the "adult" sections.
All of which I have seen!!" He then goes on name a number of other sections of Benyon's lease which are also "defenatly NON-NAVIGABLE".
In the early 1950s the harbour was divided into a number of specialized sections.
Since April 1997, the Korean National Police Agency (NPA) has installed more than 1,000 ASE systems at a number of road sections in Korea.
