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
2009中考英语词汇短语集锦 (2)
初中英语常用词组复习2
常用英语词语辨析105组(2)
为英语写作”画龙点睛“的24句谚语
2010年中考英语词汇熟词新义:start
2009中考英语词汇表 系列UV
张惠妹《排山倒海》英文版
2009中考英语词汇短语集锦 (1)
常用英语词语辨析105组(5)
2009中考英语词汇表 系列JKL
09年中考英语总复习经典习题讲解1一冠词
2009中考英语词汇表 系列R
英乐时空Here I Am
“爱”成中学生作文出现频率最高词汇
常用英语词语辨析105组(4)
09年中考英语总复习经典习题讲解5一代词
初中英语短语汇总 A- Y
初中英语常用词组3 量词词组
09年英语短语集中联想记忆110条
2009中考英语词汇表 系列T
中考英语词汇--“美味水果”大聚会
中考英语词汇“for短语”全攻略
2009中考英语词汇表 系列PQ
2010年中考英语词汇旧词新义:cause
2009中考英语词汇表 系列N
初中英语 词缀记忆法
2009中考英语词汇表 系列M
常用英语词语辨析105组(3)
2010年中考英语词汇旧词新义:blind
2009中考英语词汇表 系列I
不限 |
英语教案 |
英语课件 |
英语试题 |
不限 |
不限 |
上册 |
下册 |
不限 |