It meant that crowd control was irrelevant on a lot of fights. 这意味着控制技能与很多战斗无关了。
British researchers were looking at non-lethal dart guns for crowd control back in1972; 在1972年英国研究者为控制人群研究非致命的飞镖枪;
To carry out crowd control duties and provide communication services at charity functions and government events. 在慈善或政府活动中维持秩序和提供通讯服务。
Every station will have local crowd control plans to cater for the overcrowding situations specific to the station. 每个车站都将有本地人群控制(CC)计划,用于应对每个车站所特有的过度拥挤状况。
Secondly, it is discussed that the mechanism of the accidents based on not only safe capacity and continuum crowd flow model, but also from overall and local perspective for crowd control. 其次,以安全容纳量计算和连续人群流动模型为基础,从总体和局部进行人群控制(CC)的角度探讨了事故发生的机理。