The first point to note is the huge increase in the number of crime rate.

需要注意的第一点就是犯罪率的急剧增长。

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The essence of the dark figure of crime is the number of crime cases which committed but has not been included in the statistics.

犯罪黑数实质上是已经发生而未作统计的隐藏的犯罪案件数量。

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The number of prisoners increased as a corollary of the government's determination to combat violent crime.

政府决心打击暴力犯罪，其后果是囚犯数量增加了。

《柯林斯英汉双解大词典》

This comes as American officials say Mexican organized crime groups are supplying drugs in a growing number of cities across the United States.

VOA: special.2009.04.18

The inquiry questioned a number of crime journalists about relations between the press and police.

WSJ: Two U.K. Journalists Arrested in Bribery Probe

Police forces were asked to provide the number of crime reports in which either Facebook or Twitter was a key factor, and nearly two-thirds responded.

BBC: Twitter

Ms Porter said the gap between the number of homophobic hate crime incidents reported to the police and the number of convictions exists because many cases fail to secure enough evidence for prosecution.

BBC: Gay hate crime convictions rise