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  3. Today’s policemen in large cities throughout the world rely on modern invent

Today’s policemen in large cities throughout the world rely on modern invent

游客2025-03-18  23
问题     Today’s policemen in large cities throughout the world rely on modern inventions to help them in their work. In most places motor scooters and police patrol cars have done away with the need to patrol on foot or on horseback. Policemen use telephones, conveniently located throughout their districts, to make immediate contact with headquarters. Radio, television, and computers help to speed the work of the modern force. Even boats and helicopters are part of the equipment of metropolitan police departments. New technical inventions are widely used to fight crime and speed the solution criminal cases. Electronic computers reduce from hours to minutes the time spent in searching for fingerprints. Witness’s descriptions of a criminal are coded and fed into a computer. The machine then sorts through the picture file of known criminals and selects the name and photograph of the most likely suspect. Lie detectors are used to uncover the truth.
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答案     今天，全球很多大城市的警察都借助现代发明的帮助进行工作。在大多数地方，小摩托车和警察巡逻车已经取代了步行或骑在马背上巡逻的做法。各区便捷的电话网，使警察能及时与总部取得联系；无线电、电视、计算机也有助于加快现代警察的工作；甚至连船只和直升机也成了部分大城市警察部门的装备。新技术发明广泛运用于打击犯罪，加速案件的侦破。电子计算机将指纹搜索花费的时间由几小时减少到若干分钟。犯罪见证人的描述被编码并输入计算机，计算机将已掌握的罪犯的照片案卷分类，并选出最可疑的罪犯的名字与照片；测谎仪也用来帮助揭露真相。
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