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- rats population structure 鼠类种群结构
- Population structure and dynamics of Larix chinenesis in Qinling Mountain. 秦岭太白红杉种群结构与动态的研究。
- The mining towns of Western Canada were often ephemeral and their population structure was dominated by transient male workers of many nationalities. 摘要加拿大西部的煤矿城市经常是短暂的，他们的人口结构主要是由许多国家流动性的男性矿工所组成。
- "The rat population is on the rise and soon it'll be as common to see a rodent on our street as it is to see a dog or a cat," said group Director, Sue Nelson. “老鼠数量正在增长，很快在街上看到老鼠就会和看到猫狗一样平常，”该组织负责人苏-尼尔森说。
- Goldscheider C.. 1992.Migration, Population Structure and Redistribution Policies.Boulder, CO: Westview Press. 张善余.;我国省际人口迁移模式的重大变化
- China rat infestation blamed on global warming An early boom in the rat population of western China has been blamed on global warming, Xinhua news agency reported on Tuesday. 全球变暖使鼠害在中国提早出现新华社周二报道,全球变暖已导致了鼠害今年在中国西部地区的提早出现。
- Teenage girls are an important component part of a nation's population structure. 摘要女童是一个国家人口结构中重要的组成部分。
- The zokor population structure was influenced by understory plants through the impact on individual amount of sub-adult. 林下草本植物主要通过影响亚成年组数量而导致鼢鼠种群结构的变化。
- Factors,such as wave action,ice scouring and even the bio-harvest,may have modified population structure as well as shell morphology. 菲尔德斯东、西海岸环境因子,如风浪、冰块冲击作用以至生物捕食产生的环境压力,不仅作用于种群个体的生长状态,而且也作用于种群结构。
- The population structure of H. miconioides was analyzed at genet and ramet levels, respectively, in Dapan Mountain of Zhejiang Province. 以浙江大盘山七子花为对象，从基株和无性系分株2个层次上进行种群结构研究。
- According to the National Rodent Survey in 2001, Britain's rat population has grown by nearly one quarter since 1998 and is now estimated at 60 million, two million more than the human population. 根据2001年的国家鼠类调查，英国的老鼠数量自1998年来增长了将近1/4，目前估计为6千万只，比英国人口还多2百万。
- The pairwise FST values between areas were very low, this indicated that no significant population structure in Chinese wild boars. 4、基于微卫星位点变异对中国大陆地区不同区域的野猪群体进行了种群结构及种群动态进行了分析。
- Variation of culturable microbial population structure and essential soil enzyme activities were investigated with continuous cucumber cropping. 摘要利用平板培养法对黄瓜连作根系微生物种群连续性变化进行了跟踪研究。
- The population structure of the main species in the community. White, bias and black indicate living stems, sprouting stems and dead stems, respectively. 群落主要种的种群径级结构白色表示活体,斜纹表示萌枝,黑色表示枯死个体。
- Please talk the influence on Chinese economics from the points of population structure, labor force supply, requirements of green GDP and the construction of harmonious society. 请从人口结构、劳动力供给、绿色GDP要求、和谐社会建设等角度出发,谈一谈对中国经济发展的影响。
- The effect of QTL mapping was influenced by many factors including population structure and size, number of QTLs, density of genetic markers, heritability of traits etc. 影响QTL 定位效果的因素很多,包括群体类型、规模、涉及的QTL 数目、遗传标记的密度、性状遗传力等等,特别是分析中使用的遗传和统计模型对QTL 检测和定位有较大的影响。
- The genetic polymorphism of horn form,fleece colour,tail types,population structure in Mongolian sheep were researched by random drift theory anddiffusion equatious methods. 用随机遗传漂变理论和扩散方程方法分析了蒙古羊的形成发展过程和不同地域群体的遗传多态现象，包括群体有效大小、世代间隔、世代重叠程度、角型、毛色、尾型的遗传变异及其成因。
- The genetic variations and polymorphisms of six microsatellite loci were analyzed to determine the population structure and breeding progress of BMY and Brahman cattle. 对6个牛微卫星座位的遗传变异及多态性分析,以期了解BMY牛和婆罗门牛的群体遗传结构与育成情况。
- The effects of wastewter discharge on the population structure and pollution ecology of algae in a mangrove area were studied in Futian mangrove swamp, Shenzhen. 在海水退潮时，将生活污水排入红树林区，调查藻类的种类组成和数量变化。
- The fierce rat is tussling with a grown rabbit. 又大又凶的老鼠在跟大兔子扭斗了。
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