求翻译：【摘 要】 城市恐怖活动具有突发性强、涉及面广、群体性、暴力手段多样等特点，造成大量人员伤亡，对社会稳定和经济建设造成极大的影响。本文介绍了国内外恐怖活动情况和国外城市反恐卫勤保障做法，分析了我国城市反恐卫勤保障工作的难点，并根据国外城市反恐卫勤保障经验，结合我国实际情况概括建立军地联合卫勤保障模式的主要内容。是什么意思？

Abstract City terrorist activities with sudden and strong, and involve a wide range of mass variety of means of violence, causing heavy casualties, caused a great deal of impact on social stability and economic construction. This article describes the anti-terrorism medical support practices for dom

[Summary] urban terrorist activities have suddenness, covering a wide range and diverse groups such as sexual and violent means, causing heavy casualties, and characteristics of social stability and economic development have a tremendous impact on the At home and abroad, introduced the situation of

(Abstract) The city terrorism has the burst characteristics strongly, the affected area broad, communitive, the violence method diverse and so on the characteristics, causes the massive personnel casualty, social stability and the economic development has the enormous influence to.This article int

"Summary" urban terrorism with sudden onset of strong, wide, mass, violence and diverse characteristics, resulting in heavy casualties, has a great impact on the social stability and economic development. Describes terrorist activities at home and abroad and foreign urban terror medical practice, an