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- Objective To study ecological change rules of Spermophilus dauricus in plague natural focus of Jilin province. 目的研究吉林省鼠疫自然疫源地乌尔黄鼠的生态学变化规律。
- Result Human plague outbroke in local regions and area of natural focus enlarged. 结果人间鼠疫呈局部暴发;疫源地面积扩大。
- Taking the ecogeographical data into acount, the authors consider the surveyed area to be a natural focus of plague with the marmot M.baibacina as the main rservoir. 结合其它生态地理资料,判定沙湾县山地前山带鹿角湾存在鼠疫自然疫源地,并认为是以灰旱獭为主要贮存宿主的单宿主鼠疫疫源地。
- The virulence detecting results of 383 Y. pestis strains from Qinghai Marmota himalayana natural focus were analysed in this paper. 本文对青海省喜马拉雅旱獭鼠疫自然疫源地内的383株鼠疫菌的毒力测定结果进行了分析。
- So I can create a new discipline to apply when the natural focus of the Fund for molecular biological study on the basis of electronics. 这样我才能在建立新学科时申请到了自然科学研究重点基金，用于生物分子电子学的基础研究。
- The confirmation of this problem has an important significance both for the further study of EHF natural focus and the guide of controlling of this disease. 这一证实对于阐明疫源地形成、延续和扩散,以及人类发病等具有重要意义。
- Recently years the human plague enters relatively enlivening phase in plague natural focus of marmota himalayana in northwest China, the case of human plague almost has occurring in every year. 摘要近年来，我国西北地区喜马拉雅旱獭鼠疫自然疫源地进入相对活跃期，人间鼠疫几乎每年都有发生。
- American history lessons about World War II naturally focus on the European battlefront. 美国的历史课中关于二战地聚焦于欧洲前线。
- Conclusions: There is relationship in Yersinia pestis strains obtained from various natural foci and ecotype in Yunnan. 结论:云南家、野两型鼠疫菌株可能具有相同的随机引物扩增基因表征。
- Method We investigat-ed natural focuses of plague,killed marmot and pulled up roots and took su rveillance for plague. 方法鼠疫自然疫源调查、灭獭拨源和现在进行的鼠疫监测。
- When the day at the end of a busy life, a person Wai together, watching TV together, easing tension a day's work studying mood, naturally focus on this topic TV programs started. 当一天忙碌的生活结束时，一家人围在一起，看着共同的电视节目，放松一天紧张的工作学习心情，话题也自然围绕这电视节目展开。
- Objective To coordinate names and classification status of plague hosts in natural foci of China. 摘要目的对中国鼠疫自然疫源地宿主动物名称与分类地位进行整理。
- Objective: To study the gene type of Yersinia pestis strains obtained from various natural foci and ecotype in Yunnan. 目的:分析云南不同地区、不同年代分离鼠疫菌的基因表型。
- Study on the Plague Natural Focus in Guangxi 广西鼠疫自然疫源地调查研究
- Objective To investigate the species and composing of parasitical fleas of Allactaga sibirica in plague natural foci of Hebei Province. 目的了解河北省鼠疫自然疫源地内五趾跳鼠寄生蚤的种类和构成。
- It is natural for a cat to catch mice. 猫捉老鼠是本能。
- Conclutions The virulence of Y.pestis from plague nature foci is moderate. 结论河北省鼠疫自然疫源地病原菌毒力属于中等毒力。
- Objective To investigate the species and composing of parasitical fleas of Phodopus sungorus in plague natural foci of Hebei province. 目的了解河北省鼠疫自然疫源地内黑线毛足鼠寄生蚤种类和构成。
- It's natural to slack2 off towards the end of a hard day's work. 一天紧张工作快结束的时候有些放松是自然的。
- Many natural materials are becoming scarce. 许多天然原料越来越少。
