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β2受体激动剂( )
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Paul Straussmann, retired vice president of Xerox, indicates in his book Information Pay-off that "almost half of the U. S. information workers are in executive, managerial, administrative and professional positions". He further states that "managers and professionals spend more than half of their time in communicating with each other". In other words, people are a corporation’’s most expensive resource. For a typical office, over 90% of the operating budget is for salaries, benefits and over head. With this investment, is it any wonder that managers are focusing more and more attention on employee productivity They realize that the paper jungle cannot be tamed simply by hiring more people. To receive a return on their investment, wise corporate executive officers are realizing what industrialists and agriculturists learned long ago — efficient tools are essential for increased productivity. A direct relationship exists between efficient flow of information and the quality and speed of the output of the end product. For those companies using technology, the per document cost of information processing is only a fraction of what it was a few years ago. The decreasing cost of computers and peripherals (equipment tied to the computer) will continue to make technology a cost-effective tool in the future. An example of this type of savings is illustrated in the case of the Western Division of General Telephone and Electronics Company ( GTE ). By making a one-time investment of $10 million to automate its facilities, management estimates an annual saving of $8.5 million for the company. This savings is gained mainly through the elimination of support people once needed for proposal projects. Through a telecommunications network that supports 150 computer terminals with good graphics capabilities, the engineers who conceptualize the projects are now direct participants. They use the graphics capacities of the computer rather than rely on drafters to prepare drawings, they enter their own text rather than employ typists, and they use the network to track project progress rather than conducting meetings. Which of the following might be the result from the use of efficient technology in corporations
对肠阿米巴病无效，但是对阿米巴病肝脓肿有效( )
试题给出了计算机英文术语的解释，请从供选择的答案中选择正确的术语。 (66) :An error can be caused by attempting to divide by0．
Taking pictures is fun, and taking good ones is not difficult if you follow a few simple rules. Before you snap(快拍)a picture, thinking about it. Be sure that you are close enough to your subject. A pretty face against a clear background(背景), for example, makes a good picture. But a distant figure lost among trees and clouds lacks interest. In a landscape(风景)scene, try to keep at least two thirds of the picture below the line where the ground meets the sky, for a sky-scene, keep at least two thirds of the picture above that line. Study pictures in newspapers and books. Try to see why some are better than others. Use what you learn to improve your own pictures. In a landscape scene, two-thirds of the picture should be _________.
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