United ended a difficult seven - day spell by giving their title rivals a powerful reminder of their goalscoring abilities . knocked out of the champions league a week ago and held to a 1 - 1 home draw by everton last sunday , united made the early running against wigan and it came as no surprise when the home team took the lead although the identity of the scorer was 本场比赛的胜利可以说从根本上将曼联球员从前一段欧洲冠军联赛被淘汰和英超联赛里被埃弗顿队逼平的恶梦中唤醒，同时通过这场比赛，曼联也再一次向人们展示出不俗的进攻能力。
In this paper , author make a techiqual analysis on scor ing ability , attack ability and block ability between chinese women volleyball team and women volltyball team of cuba in 98 world women s velleyball champion ship , and conclude that there are many differencesin saving ball , back line atta cking , attacking ability and block ability between both teams 笔者对1998年世界女排锦标赛冠军决赛中国队与古巴队发球得分能力、进攻能力以及拦网能力进行了技术分析，得出中国队与古巴队之间在发球、后排、强攻和拦网存在着差异，为中国队日后的提高，提供依据。
In this dissertation , first , the basic conceptions of ew , radar ew and combat effectiveness are made clear about internal characteristics , consist and tasks . then , the evaluation factors architecture of radar ew system combat effectiveness is set up , which is the base of quantificational evaluation . second , mathematics modeling of radar ew reconnaissance , radar jamming and anti radiation attack are constructed 本论文的研究首先从电子战、雷达对抗、武器装备作战效能的基本概念出发,理清其内涵、特点、组成、任务,从而建立以能力为主线的雷达对抗系统作战效能评估指标体系,为定量评估系统作战效能奠定基础;然后分雷达侦察、雷达干扰、反辐射攻击分别对雷达对抗系统武器装备的电子侦察能力、电子干扰能力、电子进攻能力进行数学建模,进而建立系统综合对抗能力数学模型,为系统仿真建立设计基础。
