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- In accordance with field investigation to epidemic dynamics of wheat scab,the forecast method for differential equations of epidemic state has been given respectively. 根据不同的状态微分方程,以极大值原理建立小麦赤霉病流行动态的控制论模型,得到流行动态的最优控制轨线。
- Objective:To explore the spatio temporal epidemic dynamic of haemorrhagic fever with renal syndromes ,HFRS). 目的:探讨肾综合征出血热时空流行动态的分型特征。
- A flu epidemic raged through the school for weeks. 流感在这所学校里蔓延了几个星期。
- The magnitude of the epidemic was frightening. 这种流行病传播范围之广令人惶惶不安。
- Many people died from the smallpox epidemic. 很多人死于天花流行病。
- The village is suffering from a cholera epidemic. 这个村庄正流行霍乱。
- We have stamped out the epidemic. 我们已经把那种流行病根绝了。
- Epidemic dynamics of maize wallaby ear disease transmitted by Cicadulina bipunctella and assessment of maize damage 玉米鼠耳病及其媒介昆虫二点叶蝉消长动态和玉米受害损失测定
- The mortality wrought by an epidemic. 由一传染病引起的大批死亡
- A Quantitative Study on the Epidemic Dynamics and Economic Loss Caused by Maize Rough-Dwarf Virus Disease 玉米粗缩病(MRDV)的季节流行动态和经济损失的定量研究
- Scientists have isolated the virus causing the epidemic. 科学家们已分离出引起这种流行病的病毒。
- The news of the epidemic struck terror into the population. 流行病蔓延的消息使居民感到恐慌。
- There has recently been an epidemic of crime in our major cities. 近来我们一些大城市中罪案频繁。
- FUZZY CLUSTERING ANALYSIS OF OCCURRENCE AND EPIDEMIC DYNAMICS OF WHEAT SHARP EYESPOT IN THE DIFFERENT AREAS OF JIANGSU PROVINCE 江苏省不同区域小麦纹枯病发生流行动态的模糊聚类分析
- Football hooliganism is now reaching epidemic proportions. 足球比赛中恣意闹事现在已经达到愈演愈烈的地步。
- The threat of an epidemic caused great alarm and trepidation. 流行病猖獗因而人心惶惶。
- Violence is reaching epidemic levels. 暴力达到了流行的程度。
- The dynamics of natural and human-made bodies in outer space. 航天动力学,天体动力学将天然及人工天体推入外层空间的动力学
- Buy goods on the installment plan have become epidemic in recent year. 近几年来,用分期付款的办法购物十分流行。
- A usually fatal epidemic disease, especially bubonic plague. 瘟疫通常指一种致命的传染病,尤指淋巴腺鼠疫
