Translate the following sentence into Chinese.
Rivers, lakes, and underground reserves of water are being filled in and poisoned by soil and chemicals carried by drainage from eroding fields.
Welcome to the Midwest — one of the most fertile agricultural regions of the world.
Herds of dairy and beef cattle are grazing peacefully in rolling pastures which surround big, red barns and neat, white farmhouses.
Agriculture has become one of the biggest polluters of the nation 's precious water supply.
Concerned farmers are building terraces on hilly fields, rotating their crops, and using new plowing methods to cut soil losses significantly. Substantial progress has been made, but soil erosion is far from being under control.
Old lines and methods of communication do not work easily or efficiently with as much information as we have now.
With the computer, the ideas of today's scientists can be studied, tested, distributed, and used more rapidly than ever before.
Computers can be defined as devices which accept information, perform mathematical or logical operations with the information, and then supply the results of these operations as new information.
Man has been growing mentally richer ever since he started to think.
Errors occur because men grow tired and can be distracted.
The basic job of computers is the processing of information.
Translate the following sentence into Chinese.
But their ideas sometimes had to wait for years before they were understood sufficiently well to be of practical use.
The repeated actions of preparing, sorting, filling, distributing, and keeping track of records and publications can be as troublesome as calculating.
The electronic computer allows and will continue to allow him to perform tremendous "mental" tasks in a relatively short time.
Great scientists of the past produced ideas which were the basis for great advances.
In recent years one type of machine, the electronic computer, has become increasingly important in the lives of all the people in the industrialized nations of the world.
Through the years, man has invented many instruments to help him see better and understand more.
While developing his power of thought, man first began to identify and count objects.
The telescope, for example, was invented to allow him to look at far away objects.
Radio, telephone, and telegraph are means by which man has extended the range of his senses of hearing and speech.