The phrase "rough curve" is correct and usable in written English.
It is often used to describe something that has a bumpy or jagged shape. For example, "The bridge arch had a rough curve as it descended into the river."
The class is graded on a rough curve.
You know, by the shape of its shell, the feeling of its rough curve, the turn of its neck.
It also introduces a novel technique for quick user interaction, in which users are required to quickly provide a rough curve that shows the possible area of the boundary, and then a much more precise segmentation is deduced based on the rough curve.
Much more tentative are two drawings titled "Three Bridges," one a simple rough curve stroked vertically at the paper's lower center, the other a horizontal curve peppered with a blizzard of tiny pencil marks.
Staring out at a shrine to an auto accident, placed at a particularly rough curve in the road, he feels the Madonna's plastic eyes meet his for an instant.
While safer, and less scary, than oversteer, understeer can often slow your times rough curves.
As shown in Fig. 2, the proportion of CD44+CD24-subpopulation CD44+CD24-subpopulationpexhibited
Although there was a rough correlation, a curve with upper convexity was obtained, and the straight-line relationship that had been thought to exist between the two scales was not apparent.
However, as strontium or oxygen vacancies increased with the addition of an Nb2O5 donor dopant or reduction of oxygen partial pressure, the faceted shape changed to a smoothly curved rough one indicating that an interface roughening transition occurred and, as a result, the anisotropy in interfacial energy was considerably reduced.
However, if the particles are deposited on rough substrates (or curved substrates generally), particle size analysis is not so straightforward and therefore many questions arise from the point of particle analysis implementation in AFM image processing software.
The curves are rough sketches of the level of confidence in each concept.
