The man behind this notion, Jack Maple, is a dandy who affects dark glasses, homburgs(翘边帽)and two-toe shoes; yet he has become something of a legend in America’s police departments. For some years, starting in New York and moving on to high-crime spots such as New Orleans and Philadelphia, he and his business partner, John Linder have marketed a two-tier system for cutting crime.
First, police departments have to sort themselves out: root out corruption, streamline their bureaucracy, and make more contact with the public. Second, they have to adopt a computer system called Comstat which helps them to analyze statistics of all major crimes. These are constantly keyed into the computer, which then displays where and when they have occurred on a color-coded map, enabling the police to monitor crime trends as they happen and to spot high-crime areas. In New York, Comstat’s statistical maps are analyzed each week at a meeting of the city’s police chief and pr
A. violent crime dropped by 23% in one year
B. police departments pay as much as $50,000 for Jack Maple
C. the crime rate is high
D. Comstat’s statistical maps are analyzed every week
2011年一季度主要工业产品产量 | ||||
主要工产品产量 | 3月 | 1-3月 | ||
绝对量 | 同比增长(%) | 绝对量 | 同比增长(%) | |
天然原油(万吨) | 1757 | 4.2 | 5136 | 6.7 |
生铁(万吨) | 5475 | 5.6 | 15866 | 7.0 |
粗钢(万吨) | 5942 | 9.0 | 16991 | 8.7 |
钢材(万吨) | 7602 | 13.7 | 20804 | 13.7 |
水泥(万吨) | 16456 | 29.8 | 36985 | 1801 |
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