In this paper, a discrete stage - structured epidemical model is proposed and studied.本文主要讨论了离散的阶段结构传染病模型.OBJECTIVE To explore the administration measures of air condition usage in SARS epidemical period.目的研究传染性非典型肺炎流行期间...
Khandoo guided me through the dark alleys until the smell told me we had arrived.康多带着我在漆黑的小巷中穿行，直到闻到那种味道，我知道我们到了。This method had certain guided signification to quadratic development of AutoCAD with Visual LISP and DCL.该...
a caricature of Sherlock Holmes福尔摩斯的漫画像Holmes was gregarious, a great wit, a man of wide interests.福尔摩斯爱交际,非常风趣，兴趣广泛。Tony Holmes wiped the smile off the faces of his rivals with a solo 30-second win.托尼·福尔摩斯以30秒的领先优势获得了这一...
攻击手臂或腿部, 鼠蹊部, 关节, 或脚背.Attacks to the arms or legs, groin, joints, or instep.如果烧伤的部位在臂部或腿部, 可能的话, 就要把他们抬高到高于心脏的位置.If burns are on arms or legs, keep them higher than the heart, if possible....
The victim suffered a dreadful injury and lost a lot of blood.受害者受了重伤，大量失血。We usually think of a victim of mugging as being someone elderly.我们通常以为被拦路抢劫的受害者是老年人。He was innocent and the victim of a frame-up.他是清白的，是受人诬陷的。...
Playing bridge , we make some probability estimate before attempting a finesse.打桥牌时, 在采取某种策略之前,总要先做一些概率估计.to finesse a deal略施小计达成一桩交易It was a disappointing performance which lacked finesse.那场演出缺乏技巧,令人失望....handling momen...