查询词典 decrease in population

Although the incidences of epidemic cerebrospinal meningitis are scattered,the risk factors influencing the epidemicity did not disappear.It is important to use meningococci A vaccine continuously and widely to strengthen the surveillance among migrated population and population at high risk.

尽管当前流脑发病以散发为主，但影响流脑流行的因素并未完全消失，继续广泛使用流脑A群多糖菌苗，加强对流动人口及重点地区人群的监测工作仍具有重要意义。

The "stemma equimultiple random select cross method" and "random mating method" were used to propagate offspring population of Langshan chicken. For each population, the pedigree of individuals were ascended up to 5 generations. Then, their generation increment of inbreeding coefficient was caculated using the regression slope rate.

以狼山鸡为素材，利用"家系等量随机选配法"和"随机交配法"2种保种方法进行继代繁殖鸡群，每个保种群每个世代的鸡只均逐只编制往上追溯5代的系谱图，利用回归斜率分析方法计算世代增量。

Firstly, it introduced definition and content of population modernization and essentiality of researching population modernization.

首先介绍了人口现代化的定义和内容，以及人口现代化的研究意义。

Population viability analysisWhen the parameters of the estimative and forecast population number of Gloydius shedaoensis have been put into VORTEX 9.42 software,we can obtain the better fitting results with the present observation value.

种群生存力分析将估计和预测的蛇岛蝮种群数量参数输入VORTEX 9.42软件后，得到了与目前的观察值较好的拟合。

The clinical and pathological case information of CRC high-risk individuals were gathered and a population based case-control study was performed between and within three colonoscopic examinate groups of field screening, health examination and surveillance, and clinical symptomatic consultation. The distributions of age, gender and detective conditions of pre-cancerious alterations and CRC, as well as the relationship of pathological conditions and ages were analyzed between and within the three groups to evaluate the existent strategies of colonoscopy for CRC high-risk population.

2应用所建立的CRC高危人群临床病例信息科学采集与处理方法，对现场普查、体检复查和因症就诊三种不同来源的结肠镜受检人群进行成组资料的人群对照研究，分析比较三组受检人群年龄、性别构成特点以及对CRC癌前病变和CRC的检出情况、病理组织类型和分布特点，并对现有CRC及其高危人群结肠镜检查策略进行分析评价。

China is a developing country with a large population, exiguous land and limited resources, whose population base achieves 1.3 billion.

我国是世界上人多地少、资源十分有限的发展中国家。

Although Shanghai in the size of the population, external and mobile population ratio, income levels and Beijing difference was not significant, it is after all not a capital in the political, cultural, scientific and educational areas of influence is obvious vulnerable.

虽然上海在人口规模、外来和流动人口比例、收入水平上与北京差别不大，但毕竟不是首都，在政治、文化、科教领域的影响力还是明显处于弱势的。

Can conclusions based on results from one population be used to extrapolate to a different population?

由一个群体所获得的结论是否可以扩展到不同的群体？

Population is the most fundamental factor in the big system of population,resources and environment.

人口是人口、资源与环境巨系统中最根本的因素。

Especially, the author first calculated Hans population that implicated in Mu's fazenda by the rate between population and land.

由此推论明代云南的汉族已经成为云南各民族中最大的民族，云南的民族构成在明代发生了划时代的变迁。

"The operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。