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The phrase "a couple of structures" is correct and usable in written English.
It can be used when referring to two or a few structures, typically in a context where you are discussing architecture, organization, or any physical or conceptual frameworks.
Example: "In our analysis, we identified a couple of structures that could be improved for better efficiency."
Alternatives: "a few structures" or "two structures".
Exact(2)
Although no structure for plant MADS domain proteins is available, a couple of structures of human MADS domains are available.
A couple of structures are available for dimers of MADS domains (followed by a domain with some homology to the I domain) [ 33- 38], but structural information for the other domains is lacking.
Similar(58)
Only 12 stocks in the Forbes index failed to venture into positive territory, including a couple of construction firms: engineering support structure business (think: light poles) Valmont Industries, down 3%, and Fluor, down 4%.
Aside from the cars within, a couple of these structures are architectural delights in their own right.
No arrests were made at the illegal outpost, where at least four families lived in a couple of concrete structures and several temporary shacks.
In the mountain town of Furcy, meanwhile, the children study in a couple of plywood structures without plumbing or electricity planted in the midst of one of the construction sites.
KANSAS CITY, Mo. — As record floodwaters along the Missouri River drench homes and businesses, concerns have grown about keeping a couple of notable structures dry: two riverside nuclear power plants in Nebraska.
Remote areas such as Hokkaido and Kyushu have few designated properties, and most prefectures may only have a couple of National Treasure structures.
"If the chimney has been sitting idle for a couple of months, that structure will be very cold, so it might be very difficult to initiate a fire," Mr. Eldridge said.
Direct deposition of Ti64 was successful only for a couple of layers before the structures were delaminated.
The formulation is illustrated by application to a couple of typical offshore frame structures, and comparison of different representations of the plastic effects illustrates the importance of a robust element with realistic representation of the cyclic plastic mechanisms.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com