2014年职称英语理工类教材学习部分内容及解析
When a person walks, the movement of his head, trunk, hipbones and limbs are all reflected in changes in his body. A computer 1 these changes into a database. Later, the computers can 2 identify him according to these changes. This is a new biological identification method and it can quickly identify an examinee 3 disturbing him. Its especially suitable for use in airports and supermarkets.
Everybodys voice is 4 . When a persons voice is recorded by an instrument, its voice frequency spectrum is called his sound print. Like a fingerprint, everybodys sound print is different. How can computers 5 his sound? First, his voice is recorded, which allows the computers to become familiar with his voice. It will then turn his sound characteristics into a 6 of digits. These digits represent the frequency, pitch and rhythm of the persons voice. These are the 7 on which the computers can distinguish1 his voice from 8 .
When that person needs to be identified, after he says only one word or two, the computers can identify him. The computers can even identify sounds coming 9 the wires. This will provide a 10 guarantee to electric banks and electric purchases.
We often bring ID cards2, work cards, or driver licenses with us to prove our identity. If all these cards are forgotten or lost, how can we prove 11 we are? In fact, its not difficult to prove whom you are, because your body 12 has identifying markers. Some are physiological features, such as fingerprints, sounds, facial types and eye color. The computer can help to identify you. Suppose your features have already been stored in the database3. To identify you, we have to take your picture with a camera and send it to a computer for 13 . First, the computer needs to reposition this picture according to the position of your eyes4, and then starts to read the message of your physiological features such as the 14 of your pupil5 to the whites of your eyes6 and the shape of his nose. Next, it seeks matching records from the database. Finally, it makes a 15 .
词汇:
hipbone n. 股骨
pitch n. 音高
limb n. 肢体
license n. 执照
database n. 数据库
fingerprint n. 指纹
spectrum n. 频谱
reposition v. 改变位置
digit n. 数码,数字
注释:
1. (basis) on which the computers can distinguish:在这个基础上,电脑能区分 . 前面带有介词的关系代词which引导定语从句,修饰basis.
2. ID cards:身份证。ID = identity
3. Suppose your features have already been stored in the database:假定你的特征已经储存在资料库里。 Suppose your features have already been stored in the database 可以理解为 Let us suppose your features have already been stored in the database.
4. reposition this picture according to the position of your eyes:按照你的眼睛的位置重新调整照片的角度
5. pupil:瞳孔
6. whites of your eyes:你的眼睛的眼白
2016届高考英语写作分类掌握复习课件:2 调查类(新人教版)
2016届安徽省高考英语专题落实应用复习:史地自然型阅读理解1
2016届安徽省高考英语专题落实应用复习:名词、冠词、代词、形容词和副词、动词的时态和语态
2016届安徽省高考英语专题落实应用复习:基础写作之地方介绍
2016届高考英语写作分类掌握复习课件:28 说明计划(新人教版)
2016届安徽省高考英语专题落实应用复习:记叙文型读写任务
2016届高考英语写作分类掌握复习课件:8 灾难事件类(新人教版)
2016届高考英语单项选择精华训练:(7)
2016届高考英语写作分类掌握复习课件:32 心得与体会(新人教版)
2016届安徽省高考英语专题落实应用复习:科普知识型阅读理解2
2016届高考英语写作分类掌握复习课件:31 经历与感受(新人教版)
2016届高考英语话题语汇狂背复习课件:话题38(新人教版)
2016届安徽省高考英语专题落实应用复习:记叙文型语法填空
2016届高考英语写作分类掌握复习课件:7 节日简介类(新人教版)
2016届安徽省高考英语专题落实应用复习:人物型阅读理解
2016届安徽省高考英语专题落实应用复习:记叙文型基础写作
2016届高考英语写作分类掌握复习课件:29 假设处境类(新人教版)
2016届安徽省高考英语专题落实应用复习:情态动词与虚拟语气、非谓语动词、复合句
2016届高考英语写作分类掌握复习课件:6 地点介绍类(新人教版)
2016届安徽省高考英语专题落实应用复习:科普知识型阅读理解1
2016届安徽省高考英语专题落实应用复习:社会生活型阅读理解2
2016届安徽省高考英语专题落实应用复习:故事型阅读理解
2016届高考英语写作分类掌握复习课件:4 赞成反对型(新人教版)
2016届安徽省高考英语专题落实应用复习:说明文型读写任务
2016届安徽省高考英语专题落实应用复习:话题类读写任务
2016届安徽省高考英语专题落实应用复习:说明文型基础写作
2016届高考英语写作分类掌握复习课件:11 发言准备(新人教版)
2016届高考英语单项选择精华训练:(5)
2016届高考英语写作分类掌握复习课件:9 通知类(新人教版)
2016届高考英语话题语汇狂背复习课件:话题39(新人教版)
不限 |
英语教案 |
英语课件 |
英语试题 |
不限 |
不限 |
上册 |
下册 |
不限 |