The phrase "appears as a single" is correct and usable in written English.
It can be used when describing something that seems to be unified or whole, often in contexts related to visual perception or data representation.
Example: "In the final presentation, the data appears as a single cohesive unit, making it easier to understand."
Alternatives: "seems like one" or "looks like a single entity."
And he can't resist drawing implicit parallels between comics and every other medium his characters encounter: a sequence in which a composer discusses simultaneity and polyphony in music appears as a single image with overlapping panel borders, so that its viewers might better navigate its "cacophony of information".
In the installation "Beauty Is in the Eye" a pair of photographs of Mr. Hill dressed in a fantastic, mostly white clown outfit holding a tray of flowers appears as a single 3-D image when seen through a stereoscopic viewer.
On the other hand, pyogenic abscess commonly appears as a single lesion.
To a user, a common-environment cluster appears as a single, large system, with all nodes participating.
In the FD signal model, the channel distortion appears as a single tap fading coefficient and the FD channel estimation and equalization algorithms can be implemented with simple arithmetic operations in contrast to the complex matrix inversions required by their time-domain counterparts [3].
Sometimes, the logo appears as a single letter the middle "e" emblazoned on a shield fitting for these warriors against Christianity, whose early members were associated with church burnings.
If tweeted, "Sad" appears as a single-word sentence fragment, followed by an exclamation point.
Owing to the topography of the site, the eastern side appears as a single-storey building, with only the upper floor visible above the ground in the "Hanging Garden".
St. David's School occupies the three 89th Street buildings, and they now appear as a single unit.
It is so distant that to anyone there, the sun would appear as a single point of light, albeit a bright one.
When you scroll between photos, Photosynth makes no effort to make them appear as a single image; one just fades into the next.
