scan是什么意思

scan

英[skæn] 美[skæn]

v. 粗略地看，细看，扫描，符合格律；
n. 扫描检查，胎儿扫描检查，浏览；

复数：scans;

第三人称单数：scans;

过去式：scanned;

过去分词：scanned;

现在分词：scanning;

同义词

vt.
scan的同义词之：细看;审视
examine inspect look scrutinize at review study
scan的同义词之：其他释义
at browse study scrutinize look canvass inspect survey review reading slur examine

同义词解析

以下这些动词都有"调查，检查" 的意思
examine：最普通用词，可指粗略地查看，也可指仔细观察或调查以确定事物的性质、功能、特点等。
inspect：侧重按一定质量标准检查某物，找出不足或不同之处。
investigate：指为发现事实真相或了解掌握情况而进行深入细致的现场考察。
scan：原义是仔细地检查分析，现用于指细看或浏览。
以下这些动词均有"读，阅读" 的意思
read：最普通用词，含义广泛。既指朗读又可指默读。
devour：指贪婪地读，暗含对某些作者或作品迷恋之义。
scan：指快速扫视文章等以抓住其要旨。
skim：指略读或浏览。

柯林斯高阶英汉双解学习词典释义

VERB

粗略地看;快读;浏览

When you scan written material, you look through it quickly in order to find important or interesting information.
例句
She scanned the advertisement pages of the newspapers... 她浏览了一下报纸的广告页。 I haven't read much into it as yet. I've only just scanned through it. 我还没有细细研读，只是粗略地翻看了一下。
VERB

细看;察看;审视;端详

When you scan a place or group of people, you look at it carefully, usually because you are looking for something or someone.
例句
The officer scanned the room... 那名警官仔细检查了房间。 She was nervous and kept scanning the crowd for Paul... 她很紧张，眼睛不停地在人群中搜寻保罗。
VERB

(用机器)扫描(行李等)

If people scan something such as luggage, they examine it using a machine that can show or find things inside it that cannot be seen from the outside.
例句
Their approach is to scan every checked-in bag with a bomb detector. 他们的方法是用炸弹探测器对每一个办理了登机手续的箱包进行扫描。
VERB

扫描(磁盘以查毒)

If a computer disk is scanned, a program on the computer checks the disk to make sure that it does not contain a virus.
例句
The disk has no viruses — I've scanned it already. 这个盘没有感染病毒——我已经扫描过了。
VERB

扫描(照片或文件)

If a picture or document is scanned into a computer, a machine passes a beam of light over it to make a copy of it in the computer.
例句
The entire paper contents of all libraries will eventually be scanned into computers... 所有图书馆的全部纸质内容最终都会被扫描进电脑。 Designs can also be scanned in from paper. 设计图也可以从纸上扫描进电脑。
VERB

(雷达、声呐等)扫描，扫掠

If a radar or sonar machine scans an area, it examines or searches it by sending radar or sonar beams over it.
例句
The ship's radar scanned the sea ahead. 船上的雷达扫描了前方的海域。
N-COUNT

(医疗)扫描检查

A scan is a medical test in which a machine sends a beam of X-rays over a part of your body in order to check that it is healthy.
例句
He was rushed to hospital for a brain scan. 他被火速送往医院做脑部扫描。 ...a breast scan to check for cancer. 为诊察癌症所做的乳腺扫描检查
N-COUNT

胎儿扫描检查

If a pregnant woman has a scan, a machine using sound waves produces an image of her womb on a screen so that a doctor can see if her baby is developing normally.
VERB

(诗)符合格律，韵节合拍

If a line of a poem does not scan, it is not the right length or does not have emphasis in the right places to match the rest of the poem.
例句
He had written a few poems. Sid told him they didn't scan. 他写了几首诗。锡德告诉他那几首诗都不押韵。

英汉词典释义

vt.
细查, 审视, 观测, 严密监视
The detective scanned every bit of evidence. 侦探仔细检查了每一样证据。 She scanned his face to see if he was telling the truth. 她审视着他的脸, 看他讲的是否是真话。
粗略地读；浏览；翻阅
I scanned the newspaper for the information I needed. 我浏览报纸寻找自己需要的信息。
〈计〉扫描
This apparatus scans patients' brains for tumours. 这台仪器扫描检查病人的脑瘤。
细看；察看；审视；端详
(雷达)对…进行扫描
【生物学、医学】对(人体器官、生物组织等)进行扫描检查
【机械学】钻(孔)
n.
扫描
The first scan was bad, so I had to do it again. 第一次扫描不好, 所以我得重做。
胎儿扫描检查;浏览，快速查阅
细看，观察
审视，审察
浏览，粗略阅读
扫描范围；视野
(雷达)(屏面上的)光点；光点路
vi.
（光束、雷达等）扫描，扫略
（诗歌）符合韵律
标出诗歌的格律

英英词典释义

Noun
1. the act of scanning; systematic examination of a prescribed region;
"he made a thorough scan of the beach with his binoculars"
2. an image produced by scanning;
"he analyzed the brain scan""you could see the tumor in the CAT scan"
Verb
1. examine minutely or intensely;
"the surgeon scanned the X-ray"
2. examine hastily;
"She scanned the newspaper headlines while waiting for the taxi"
3. make a wide, sweeping search of;
"The beams scanned the night sky"
4. conform to a metrical pattern
5. move a light beam over; in electronics, to reproduce an image
6. read metrically;
"scan verses"
7. obtain data from magnetic tapes;
"This dictionary can be read by the computer"

行业词典

医学：闪烁扫描，扫描：为scintiscan的简写。根据不同受检器官，有各种不同的设计，如脑扫描、肾扫描、甲状腺扫描等；回声探测显示法：A型超声在阴极射线管上显示回波脉冲，其中一个轴代表回波反射所需的时间，另一轴代表回波脉冲强度。B型超声中，阴级射线管上光点的位置代表回波脉冲消逝的时间，且光点的亮度与回波脉冲强度成正比。超声波探头(换能器)在体表移动则产生二维截面图像；

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