The phrase "a marked area" is correct and usable in written English.
It can be used to refer to a specific location that has been designated or highlighted for a particular purpose.
Example: "Please avoid stepping on the grass and stay within the marked area during the event."
Alternatives: "designated zone" or "highlighted section".
(There will not be a marked area, but alumni club leaders will be wearing identifiable Columbia gear).
To hit or play a note, the player must hold down the fret button corresponding to the note shown and toggle the strum bar at the same time as that note passes a marked area on the screen.
To conduct a test, a plastic ring (6.5 cm diameter×5.5 cm high), which was used to confine subjects for testing, was inserted firmly into the sand of the open foraging area, within 10 cm of the nest entrance, previously established as a marked area in C. cursor ants [22].
29 This procedure will be applied twice on a marked area at the forearm and knee site.
The principles behind the speckle tracking technique are based on the ability of software algorithms to recognize a pattern of speckles in a marked area on an image and then follow this area's movement during a cardiac cycle.
Pictures of a marked area, for each treatment, were taken at the first day (day 0) and on two following days ('day 1' and 'day 2') using × 10 magnification (Nikon eclipse Ti-S microscope and the integrated NIS-Elements imaging software, Tokyo, Japan).
The wound area in a marked field of view was inspected at different time intervals subsequently until closure to determine the distance migrated by the cells.
The light beam was shone on a point on a previously marked area of the lower abdomen, right above the virtual intersection of two imaginary lines extending from the sternum caudally and the lowest rib ventrally.
Fig. 2 Error type I and type II: Two distributions with an overlapping area (a), red marked area of type I error (b), green marked area of type II error (c).
This is what he means: If you walk into a game store or the game section at a Wal-Mart these days, the PlayStation games have a clearly marked area of their own.
For the actual process of painting, various maps were gathered from existing images and placed in the background of the application; the 3D model was placed in front, and parts of these images were projected onto a special marked area.
