scan的意思|scan的解释-里氏词典

Scan \Scan\ (sk[a^]n), v. t. [imp. & p. p. {Scanned} (sk[a^]nd);
p. pr. & vb. n. {Scanning}.] [L. scandere, scansum, to climb,
to scan, akin to Skr. skand to spring, leap: cf. F. scander.
Cf. {Ascend}, {Descend}, {Scale} a ladder.]
1. To mount by steps; to go through with step by step. [Obs.]

Nor stayed till she the highest stage had scand.
--Spenser.

2. Specifically (Pros.), to go through with, as a verse,
marking and distinguishing the feet of which it is
composed; to show, in reading, the metrical structure of;
to recite metrically.

3. To go over and examine point by point; to examine with
care; to look closely at or into; to scrutinize.

The actions of men in high stations are all
conspicuous, and liable to be scanned and sifted.
--Atterbury.

4. To examine quickly, from point to point, in search of
something specific; as, to scan an article for mention of
a particular person.
[PJC]

5. (Electronics) To form an image or an electronic
representation of, by passing a beam of light or electrons
over, and detecting and recording the reflected or
transmitted signal.
[PJC]

LATE IN 1983, Wang Laboratories Inc. introduced a personal computer that could scan images and store them in its memory.
Pick out a favorite song from an entire concert on a 12-inch disc and the player can search it out in a matter of seconds and play it. Consumers can also program a player to scan for a single frame of a movie and freeze it on the screen.
For the next eight weeks party strategists and journalists will do little but scan every spoken and written word for such gaffes. Labour is most obviously vulnerable.
Dr. Verani said adenosine enabled the thallium scan to detect 90% of clogged coronary arteries, about the same as treadmill tests reveal in patients who attain maximum heart rate during the exercise.
Paul Sand's succinct lines rhyme and scan assiduously, and Tokura follows suit exactly.
A CAT scan will be done Friday to find out if the woman's brain swelling has gone down, doctors said Thursday.
Staff at the Pittsburgh hospital where Shepard was recuperating from a Sept. 27 liver transplant noticed he was unresponsive Monday afternoon and gave him a CAT scan, the mayor said.
In the capital, people rushed to balconies and into the streets to scan the skies for a few minutes.
The driver can override the system. Lucas, and Oxford and Southampton universities, has joined Jaguar to develop a vision system using a video camera and radar sensors to scan the road ahead and predict collision risk.
In a jammed tent city in picturesque Bavaria, Uwe and Norma Koenig eagerly scan a bulletin board offering jobs ranging from bakers' assistants to electricians.
Early results of the CT scan showed two packages in the mummy's chest and an unexplained hole in her head, Dr. Fishman said.
As you arrive, scan the room for targets, the people it would be profitable for you to spend time with.
The workstations permit designers to scan fabrics, patterns and models and then integrate the three in myriad combinations to eliminate much of the guesswork inherent in clothing design, the publication explains.
Menu Works is easy to install, and it will even scan your disk and build a menu for you.
The terminal prints on plain paper and offers a number of features such as fast scan and 16 pages of internal memory, broadcasting and speed dialing.
Throngs of eager customers scan paperbacks on Zen poetry and feminist theory.
The fight could have been worse had school authorities not used metal detectors to scan the crowd, Luttrell said.
The results showed, for instance, that while 80% of men aged 50 to 64 were examined by a bone scan, a common diagnostic procedure for prostate cancer, just 58% of those over 74 years old received the test.
The database will also allow publishers to scan new books.
Abernathy died Tuesday at Crawford Long Hospital while being prepared for a lung scan to locate a suspected blood clot, hospital spokeswoman Tisha Burland said.
An ultrasound scan has picked up a potential abnormality in her baby. Eighty miles away, in Queen Charlotte's Hospital in London, an expert is watching the progress of the scan as it takes place on a TV screen.
An ultrasound scan has picked up a potential abnormality in her baby. Eighty miles away, in Queen Charlotte's Hospital in London, an expert is watching the progress of the scan as it takes place on a TV screen.
Scanners come in two types: flatbed machines that scan pages whole, and hand-held models, including the Typist, that read pages a portion at a time.
"The PET scan has significant potential," says John Mazziotta, professor of neurology and radiology at the UCLA School of Medicine.
The flight took place Monday as scheduled for Customs Commissioner Carol Hallett and William Bennett, but the radar was unable to scan its full range of airspace because some power was out.
The devices might also be employed in automated surveillance systems, such as robots that scan battlefields for advancing enemies, said USC's Mr. Feinberg.
Lots of computing power will be devoted to keeping records safe from tampering: Before it allows anyone to open a file or change a document, a computer may ask for voice identification, a thumbprint or a retina scan.
The first scan of the fossil record shows that Congress has reverted to the theory, thought to have been made extinct by the 1986 tax reform, that social engineering is the main purpose of tax levies, even if it means lost revenues.
Another widely used test, the thallium scan, has a lower accuracy rate than PET and isn't popular as a screening device for patients who don't have obvious cardiac-disease symptoms.
In some patients, particularly those who appear to have a high risk of atherosclerosis, a thallium scan that hinted at a weak portion of the heart muscle would lead doctors to consider coronary angiography.

scan
scan abort
scan abort subsystem
scan access
scan address
scan address generator
scan amplitude
scan angle
scan anode
scan aperture
scan area
scan axis
scan backward
scan band
scan burns
scan character
scan code
scan command
scan command word
scan control voltage
scan conversion
scan conversion algor...
scan conversion device
scan conversion equip...
scan conversion program
scan conversion stora...
scan conversion tube
scan converter
scan converter tube
scan counter
scan current waveform
scan diagonal
scan display system
scan distribution
scan document
scan efficiency
scan expansion lens
scan flyback interval
scan for new device
scan for operand
scan forward
scan forwards
scan frequency
scan generator
scan head
scan image
scan imagery
scan in
scan in bus
scan input
scan interlace ratio
scan laser
scan length
scan limit
scan line
scan linearity
scan magnification
scan method
scan non-linearity
scan nonlinearity

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