大学英语自学教程 下册 un06

[00:00.00]Unit 6   text A   Improving Industrial Efficiency through Robotics
[00:04.24]通过机器人技术提高工业效率
[00:08.49]Robots,becoming increasingly prevalent in factories
[00:14.73]and industrial plants throughout the developed world,
[00:17.41]在机器人不断普及的发达世界的工厂里，
[00:20.09]are programmed and engineered to perform industrial tasks without human intervention.
[00:24.25]人们对机器人进行编程和设计,使之在无人的情况下执行工业任务.
[00:28.42]Most of today's robots are employed in the automotive industry,
[00:31.95]  现在多数机器翻译人用于汽车工业,
[00:35.47]where they are programmed to take over such jobs as welding
[00:38.66]它们按照编好的程序
[00:41.85]and spray painting automobile and truck bodies.
[00:44.63]接任了汽车和卡车车身的焊接和喷漆这一类工作.
[00:47.41]They also load and unload hot,
[00:49.84]它们也装卸烧铸
[00:52.27]heavy metal forms used in machines casting automobile and truck frames.
[00:56.45]汽车和火车杠架的机器中所用其所的炽热,笨生的金属铸模.
[01:00.63]Robots,already taking over human tasks in the automotive field,
[01:04.40]已经在汽车领域接任了人类任务的机器人
[01:08.18]are beginning to be seen,although to a lesser degree in other industries as well.
[01:12.27]也同样开始在其他工业中看到,虽然使用程度低一些.
[01:16.36]There they build electric motors,
[01:19.09]在那里它们制造电动马达,
[01:21.82]small appliances,pocket calculators, and even watches.
[01:25.45]小型器械,袖珍计算器,甚至手表.
[01:29.08]The robots used in nuclear power plants handle the radioactive materials
[01:32.94]核电站里的机器人使放射性的原料
[01:36.81]preventing human personnel from being exposed to radiation.
[01:40.19]预防人员因显露而传染。
[01:43.58]These are the robots responsible for the reduction in job-related injuries in this new industry.
[01:48.20]机器人可以减少这一新型工业中与工作有关的伤害.
[01:52.82]What makes a robot a robot and not just another kind of automatic machine
[01:57.21]什么使得机器人成为机器翻译人而不仅仅是其他的自动化机器呢?
[02:01.60]Robots differ from automatic machines
[02:04.38]机器人与自动化机器的区别在于
[02:07.16]in that after completion of one specific task,
[02:10.09]它们在完成一项特写任务后
[02:13.02]they can be reprogrammed by a computer to do another one.
[02:16.40]可由计算机重新编程去执行另一任务.
[02:19.78]As an example,a robot doing spot welding one month
[02:23.01]举个例子:一个做了一个月点焊的机器人
[02:26.23]can be reprogrammed and switched to spray painting the next.
[02:29.56]可以重新编程,下一个月转而去喷漆.
[02:32.89]Automatic machines,on the other hands are not capable of many different uses
[02:36.83]相反,自动化机器没有许多不同的用途,
[02:40.76]they are built to perform only one task.
[02:43.49]它们只是为了执行一项任务而制造的.
[02:46.22]The next generation of robots will be able to see objects,
[02:49.65]下一代机器人将能看见物体,
[02:53.09]will have a sense of touch,and will make critical decisions.
[02:56.21]具有触觉,能做出关键决定.
[02:59.33]Engineers skilled in microelectronics and computer technologyn
[03:02.57]微电子学和计算机技术方面的熟练工程人员
[03:05.81]are developing artificial vision for robots./
[03:08.33]正在为机器人开发人造视力.
[03:10.85]With the ability to "see",
[03:12.82]有了"看"的能力,
[03:14.80]robots can identify and inspect one specific class of objects
[03:18.57]机器人可以从一堆不同材料中鉴别,
[03:22.34]out of a stack of different kinds of materials.
[03:25.07]检查出具体的一物体.
[03:27.80]One robot vision system uses electronic digital cameras
[03:34.78]containing many rows of light-sensitive materials.
[03:37.56]机器人视觉系统采用含有多行感光材料的电子数字照相机.
[03:40.34]When light from an object such as a machine part strikes the camera
[03:43.43]当一个物体(如机器零件)上的光线照射到照相机上,
[03:46.51]the sensitive materials measure the intensity of light
[03:49.24]感光材料衡量光的强度,
[03:51.97]and convert the light rays into a range of numbers.
[03:54.95]把光线转化成一毓的数字.
[03:57.92]The numbers are part of a grayscale system in which brightness