机电工程专业英语 教学课件 作者 朱晓玲 Lesson 7.pptVIP

Lesson 7 Robot 机器人 Section I Words and Phrases Section II Text and Translation Section III Exercises Section I Words and Phrases Section I Words and Phrases Section II Text We applaud the heroism of robot at the movies, amazing the robot in Robot Football Match. But what is a robot? Here we can carry on a discuss about robots. How can you describe a robot in your eyes? Section II Text In fact, a robot is basically a highly automated machine that is created to duplicate one or more physical capabilities of a person1. It is more apt to be just a mechanized arm with a metal gripper at the end that forms “a hand”. With that hand, robot can perform many different tasks. What is the difference between robot and human? Section II Text A tiny microprocessor capable of fitting on a silicon chip the size of a pea makes up the robot’s “brain”2. A few silicon chips are placed on two or three printed circuit boards to provide the input and memory bank functions. While plugged into an electrical outlet, this assembly of microprocessors, much like the human brain, transmits electrical impulses along pathway which run from the computer itself down the robot’s arm and into its hand. In humans, these pathways are the nerve fibers; in robots, they are electrical cables. Section II Text A large number of the world’s industrial robots are being used by the automobile industry with electronics firms. While the robot is initially quite expensive to buy, it quickly pays for itself because at certain jobs it can work faster and better than a human, thus boosting productivity and lowering production costs3. Robots are also easily reprogrammed and can be taught to do new job in just a few minutes. Robots are particularly suitable where: Human would be at significant risk, e.g. space exploration. Economically better to have robots - where the task is menial and repetitive, and accuracy is needed, e.g. product