Both he and Peter Waddington, a former policeman and now an authority on crowd control at Wolverhampton University, are sceptical about plastic bullets (or baton rounds as the police call them).

从前担任警员，现为伍尔弗汉普顿大学人群秩序控制方面专家的彼得•沃丁顿（Peter Waddington）和马丁均对塑料子弹（警察称其为防暴子弹）持怀疑态度。

youdao

To handle over 30 million annual visitors — many of them during this busiest time of year for the megaresort — Disney World long ago turned the art of crowd control into a science.

每年迪斯尼的的游客多达3000万人次，而且许多是在一年中最繁忙的时候去，长久以来，迪斯尼已把处理游客拥挤的技术变成了一门科学。

youdao

Eye for an Eye: No longer breaks crowd control effects.

以眼还眼：不再打破群体控制效果。

youdao

Hardwick said the police regularly train using a variety of so-called crowd control distraction techniques - namely hitting,striking and kicking.

VOA: standard.2009.04.21