The phrase "a certain geographic" is not correct in standard written English.
It is likely intended to refer to a specific geographic area or location, but it is incomplete as it stands.
Example: "The study focused on a certain geographic region known for its biodiversity."
Alternatives: "a specific area" or "a particular location".
The term dialect refers to language characteristic of a certain geographic area or social class.
Geocasting is the delivery of packets to nodes within a certain geographic area.
Created in 1936, it was intended as a guarantee that a certain wine came from a certain geographic zone.
There has long been operational coördination on a local level — for a particular battle or in a certain geographic area.
Let's say you read in a recent article or the latest annual report that the company is diversifying into a certain geographic region or new client base.
Because the stations' equipment is addressable, Premiere is also able to identify each station and then send it, or stations within a certain geographic area, specific localized spots.
Krings et al. analyze this connection and show that call volume scales linearly with population [14], a result we reproduce at certain geographic scales with the data for Milan.
Most DHS survey reports start by stating that 'this is a nationally representative survey' unless certain geographic areas have been excluded (as in the first three Kenya DHS and the Mali 2012 DHS, in which case there is a map in the introduction indicating which areas are excluded).
Mono-INHR is thought to be on the rise in certain geographic regions possibly as a consequence of failures to detect monoresistant strains with molecular diagnostics.
Wu purchases an event's broadcast rights for certain geographic markets and sells subscriptions for $5 to $25 per event.
That summer, Facebook developed a tool that could suppress posts in certain geographic areas, The Times reported last year.
