As data and identity theft becomes more and more common, the market is growing for biometric(生物测量)technologies - like fingerprint scans - to keep others out of private e-spaces.
随着数据和身份盗窃变得越来越普遍, 生物识别技术(如指纹扫描)的市场正在增长, 以防止其他人进入私人电子空间。
二零一九全国卷
详情解释
双解释义
英英释义
词典解释
网络解释
noun
一. the act of scanning
systematic examination of a prescribed region
e.g. he made a thorough scan of the beach with his binoculars
二. an image produced by scanning
e.g. he analyzed the brain scan
you could see the tumor in the CAT scan
Synonym: CAT scan
verb
一. obtain data from magnetic tapes
e.g. This dictionary can be read by the computer
Synonym: read
二. read metrically
e.g. scan verses
三. make a wide, sweeping search of
e.g. The beams scanned the night sky
四. move a light beam over
in electronics, to reproduce an image
五. examine hastily
e.g. She scanned the newspaper headlines while waiting for the taxi
Synonym: skimrakeglance overrun down
六. examine minutely or intensely
e.g. the surgeon scanned the X-ray
七. conform to a metrical pattern
一. 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.
e.g. She scanned the advertisement pages of the newspapers...
她浏览了一下报纸的广告页。
e.g. 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。
二. 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.
e.g. The officer scanned the room...
那名警官仔细检查了房间。
e.g. 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。
三. (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.
e.g. 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。
四. 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.
e.g. 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。
五. 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.
e.g. 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。
e.g. Designs can also be scanned in from paper.
设计图也可以从纸上扫描进电脑。
六. (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.
e.g. The ship's radar scanned the sea ahead.
船上的雷达扫描了前方的海域。
七. (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.
e.g. He was rushed to hospital for a brain scan.
他被火速送往医院做脑部扫描。
e.g. ...a breast scan to check for cancer.
为诊察癌症所做的乳腺扫描检查
八. 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.
九. (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.
e.g. 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。
一. 浏览：如果遥控器上没有这个ALT键,则,按遥控器,菜单,屏显,静音,浏览(SCAN)进入总线,按睡眠定时键切换菜单,将一六:九模式关闭了,彻底解决快捷按键失效,出现的一六:九画面.
二. 扫瞄：按下多功能事务机前控制台的 黑白影印 (Black and White Printing) 或 彩色影印 (Color Printing) 按钮,便会开始进行影印. 请按下机器的 扫瞄 (Scan) 按钮.
三. scan的近义词
三. scan：supermarket computer answering network; 超市计算机应答网络
四. scan：stereo cabiner area network; 立体声组合音响局域网
五.
五. scan：serial contraction and adsorption nanolithography; 级联缩微方法
六. scan：supermarket computer answering service; 超级市场计算机应答服务
常用短语
常用例句
词汇搭配
经典引文
Astronomers scanned the sky for a sight of the comet.
天文学家们仔细观察天空,想看到彗星。
He scanned the newspaper for the information he needed.
他仔细地看报纸来找出自己需要的东西。
He scanned the list for his name.
他粗略地看了一眼名单来找出自己的名字。
He scanned the small advertisement for a job.
他粗略地看了一下广告,想找到一份工作。
The area was scanned for signs of enemy aircraft.
对该地区进行雷达搜索以求发现敌机。
The lines will neither scan nor construe like ordinary verses.
出自：F. A. Paley词语用法
词义讲解
词源解说
高考真题例句
As data and identity theft becomes more and more common, the market is growing for biometric(生物测量)technologies - like fingerprint scans - to keep others out of private e-spaces.
随着数据和身份盗窃变得越来越普遍, 生物识别技术(如指纹扫描)的市场正在增长, 以防止其他人进入私人电子空间。
二零一九全国卷
近义词
临近词