The phrase "a broad surface of" is correct and usable in written English.
It can be used to describe a wide or expansive area of something, often in a physical or metaphorical context.
Example: "The artist painted a broad surface of vibrant colors that captivated the audience."
Alternatives: "a wide area of" or "an extensive expanse of".
The exercise brought into play both a bulbous decanter that gives a broad surface of wine contact with air and a big Riedel glass that shows reds to advantage.
Non-union after high tibial osteotomy is an unusual complication [10, 11, 12] as the proximal tibial metaphysis is a broad surface of well-vascularized cancellous bone with good healing potential.
Grasso et al. assumed that CENPV might be more effective and less injurious because of more homogeneous distension of the lung as negative pressure is distributed across a broad surface of the chest wall and abdomen [ 7].
When you are heavy, especially with a backpack of gear on board, you need a snowshoe with a broader surface to aid the float of the shoe across the snow.
The researcher must choose whether the analysis should be of a broad surface structure (a manifest analysis) or of a deep structure (a latent analysis).
In the first week of December, a westward-moving upper-level low led to the formation of a broad surface trough well to the east of the northern Lesser Antilles.
The system became better organized, with indications of a broad surface circulation forming about 400 miles (645 km) west-southwest of Bermuda.
The system tracked west-northwestward, and by August 10 consisted of a broad surface trough with minimal shower activity.
The active center of SpGH38 is located in a cleft at the bottom of a broad surface channel between the α/β− and β2-domains β2-domainsed by andhort helical linker that joins the second and third helices of the three-helical borderedomain.
The easiest way to collect rainwater is to channel the water that runs off of a broad surface.
Domains D2 and D3 are oriented together in such a way that the six loops form a flat relatively broad surface of >5000 Å2 (Figure 3).
