69Government should place few, if any, restrictions on scientific research and development 通过什么方法来衡量进步
115It is through the use of logic and of precise, careful measurement that we become aware of our progress. Without such tools, we have no reference points to indicate how far we have advanced or retreated. 作科研的目的
119 When research priorities are being set for science, education, or any other area, the most important question to consider is: How many peoples lives will be improved if the results are successful?
6.多媒体
150 Because of television and worldwide computer connections, people can now become familiar with a great many places that they have never visited. As a result, tourism will soon become obsolete.
233 Although innovations such as video, computers, and the Internet seem to offer schools improved methods for instructing students, these technologies all too often distract from real learning.
237.Computers and video technology can make facsimiles of original works such as paintings and historical documents available to everyone. The great advantage of this new technology is that it will enable anyone―not just scholars―to conduct in-depth research without having access to the original works.
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