查询词典 decrease in population

Moreover, compared with the 70 percent of the population who speaks German, 1 percent of the Swiss population speaks Romansch, which is a local language.

另外，相对于70%的人口讲德语，瑞士只有1%的人口使用其当地语言—罗曼斯语。

The population growth rate could be used to assess the effects of methamidophos on the population dynamics of the rotifer.

种群增长率可用于监测和评价甲胺磷对轮虫种群动态的影响。

The effects of UV-B radiation on population growth of rotifer Brachionus urceus were studied using the method of population accumulative culture.

运用群体累计培养的方法研究了UV-B辐射增强对壶状臂尾轮虫种群增殖的影响。

With the method of population accumulative culture,the effect of initial population density on the formation of resting eggs of freshwater rotifer,and on the rates of mictic female and fertilization was studied.

应用群体累积培养法，研究了种群起始密度对萼花臂尾轮虫休眠卵的形成及与之相关的混交雌体百分率和受精率的影响。

Result: Among these 252 cases , there are 162 boys and 90 girls, boys are obviously more than girls, and their age are between 3 months and 14 years old, which indicates that infant and children have a high incidence of measles disease, the majority are 5 to 9 months old under 1-year-old;They are mostly rural population or floating population, accounting for 79.37%; There are only 34 children who have been inoculated against measles, accounting for15.08%; and 206 children who have no inoculation history, accounting for 81.75%; There are 212 children who have contacted with some measles patients, account for 84.13%, and there are 76 patients who have see a doctor in hospital time after time and have been diagnosed as a measles sufferer, accounting for 30.16%; Most inpatients presented typical clinical manifestations of measles , and complications are mostly rubeola pneumonia.

结果：252例住院儿童麻疹中，男162例，女90例，男孩显著多于女孩，年龄3月-14岁，以幼儿及学龄前儿童发病率较高，1岁以内主要集中在5-9月龄；以农村人口及流动人口为主，占79.37%；有免疫接种史者仅34例，占15.08%，无免疫接种史者206例，占81.75%；有明确麻疹接触史者212例，占84.13%，反复到医院就诊而先后被确诊为麻疹者76例，占30.16%；临床以典型麻疹为主，并发症以麻疹肺炎最常见。

Since to provide increased goods and services for more people does require technological advances, capital investment, and skilled labor, there must be a point beyond which an increase in population leads to a lowering of real income and a decline the level of well-being, Thus it came to be said that when a population should experience in the long run an ever-falling supply of goods and services, per capita, it was no longer of best size.

既然为更多的人口提供更多的商品和服务确实需要技术进步，资本投资和有技术的工人，那么总有那么一个限度，如果人口增长超过这个限度就会导致国民实际收入的减少和生活水准的降低。因此，有人提出，如果一个国家的人民长期以来的人均商品供应和服务水平不断下降，这个国家就已经人口过剩了。

Since to provide increased goods and services for more people does require technological advances, capital investment, and skilled labor, there must be a piont beyond which an increase in population leads to a lowering of real income and a decline the level of well-being, thus it came to be said that when a population should experience in the long run an ever-falling supply of goods and services, per capita, it was no longer of best size.

因为，以提供更多的商品和服务为更多的人确实需要技术进步，资本投资，以及技术熟练的劳动力，必须有一个皮诺以外，人口增长导致的实际收入降低，并减少了水平的福祉，因此，它应该说，当一个人口应经验从长远看不断下降供应的货物和服务，人均，它不再是最佳尺寸。

The population in China is very large and 80% of the population live in rural areas.

中国人口很多，其中80％的人住在农村。

Generally, the background of individuality in the population is abundant. If the sampling ratio is small, the structure of sample may be different from that of population and the sample may lack representativeness.

由于一般情况下，总体中个体的背景因素差异非常大，若抽样比例较小，则会导致样本的结构与总体的结构不一致，样本缺乏代表性。

A Multi-Objective Vaccine Co-evolution Clonal Selection Algorithm has been proposed to solve the sequencing problem of MMAL. Vaccine population and antibody population have come up.

针对混流装配线多目标调度优化问题，提出了一种疫苗协同进化的多目标免疫克隆选择优化算法。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。