Police say it's due to better policing.

警察说这是因为加强了治安。

youdao

Better policing has contributed to a fall in the state's murder rate (though it did tick slightly upwards last year).

改善警察素质有助于降低圣保罗州的凶杀案比例(但去年这个数字小幅回升)。

youdao

Neighbours who have no reason to know each other will need to convene and collaborate in order to get a new school or better policing.

互不了解的邻居们会聚集起来并为找到一个新学校或更好的治安环境而共同努力。

youdao

WHO reports that although counterfeit drugs are sold globally, rich countries are better at policing and preventing sales.

VOA: standard.2010.06.07

Better policing has contributed to a fall in the state's murder rate (though it did tick slightly upwards last year).

ECONOMIST: Brazil's possible next president

The International Maritime Bureau has said that better policing and improved security have reduced successful hijackings by Somali pirates this year.

BBC: Somali pirates jailed in France for kidnapping couple

Reform Scotland's report, Striking the Balance, says the key to better policing is to give each local authority its own force.

BBC: Break up police forces says study