通过定义人口状态集、传递函数集和反馈函数集，得到了人口系统的多级反馈控制模型。
By defining a population set, transfer function set and feedback function set, a multiple feedback model for population control is presented.
这是七万年以来人口数字第一次，由于各种各样的原因达到一个稳定的状态。
For the first time in 70,000 years, for lots of reasons, human numbers will have reached a steady state.
“除非人口数量与那些与之为邻的野生动物数量处于平衡状态，否则的话，野生动物的减少将继续成为不争的事实，”他们这样写到。
"Unless human Numbers are in balance with those of neighboring wildlife populations the decline of wildlife will continue to be a hard reality" they wrote.
美国25 - 54岁人口中约25%的人未获得大学学位，35%的高中生辍学，70%的高中辍学黑人处于失业状态(见文章)。
Some 25% of men aged 25-54 with no college degree, 35% of high-school dropouts and almost 70% of black high-school dropouts are not working (see article).
由于主要的生产率积累都局限于西方，世界人口稠密的地区还处于贫困状态。
Because large productivity gains were confined to the West, the populous parts of the world stayed poor.
联合国粮农组织(FAO)估计780万人口——占总人口的33%——处于营养不良状态。
The UN Food and Agriculture Organization (FAO) estimated that 7.8 million, or 33 percent of the population was undernourished.
1/3的南非劳动人口（包括半数的、年龄在15-24岁的年轻黑人）处于失业状态。
One in three South Africans in the labour force, including half of young black people aged 15-24, is unemployed.
我们的参数评估手术前，除了他们的人口，包括他们的心理状态（MMSE），其营养和免疫状态和他们的肺功能。
The parameters that we assessed pre-operatively, in addition to their demographics, included their mental state (MMSE), their nutritional and immune state and their pulmonary function.
我们探讨了每个疗效变量和26个潜在重要变量的关系，这些变量包括人口统计学资料、医疗条件、神经经济状况、疾病状态。
We studied the relationship between each of the outcome variables and 26 potential important variables including demographics, medical conditions, socioeconomic factors, and disease state.
如果你观察全世界的总人口，整个大局显示的是生育率下降，人口增长减慢，逐渐回归到18世纪的人口稳定状态。
If you look at the overall size of the world's population, then, the picture is one of falling fertility, decelerating growth and a gradual return to the flat population level of the 18th century.
在可预知的技术进步和人口压力背景下，耕地总量动态平衡方程为区域耕地系统的状态规定了调控目标；
Total arable land dynamic balance equation stipulates the control subject for the regional arable land system un-der the base of predictable technology and population pressure.
人口增长使资源处于超负荷的状态，使人们开发不合理的产业，并使环境保护面临困难。
Population growth leads to the resources in the state of overload, so people develop an unreasonable industries and environmental protection are facing difficult.
目前我国流动人口研究尚处于松散状态，仍未能建立新的研究机制，流动人口学的创建将为此提供新的理论基础及对策出路。
So the article believes that a school of floating population should be established, which will lay a new theoretical foundation and provide an approach as to the problem.
城市化是指农村人口向城市有序流动，并逐渐由农民转变为市民的一种过程和状态。
The urbanization means the ordered flow of population of the countries to the cities, a process and a state of the gradual transfer of the peasants to the citizens.
研究认为我国人口数量多，处于严重超载状态。
Researched that China's population size in serious overloading state;
研究表明：①长江流域人口承载力从1988年到1998年一直处于超载状态，经济资源成为长江流域的主要承载资源；
Thus conclusions were drawn: (1) the economics resource is the principal resource to support population and the synthetic carrying capacity has been the state of overload from 1988 to 1998;
很多学者开始关注流动人口的生活状态，流动人口第二代的生存状态也被提上了议程。
Many scholars start to pay attention to the life condition of transient population. Second generation of survival condition is also raised the agenda.
1996年在罗马召开的粮食峰会上，179个国家的代表一起倡议到2015年，将处于饥饿状态的人口减少一半。
At the 1996 world Food Summit in Rome, representatives of 179 nations vowed to halve the world's hungry by the year 2015.
当人口大系统在稳定状态下，给出了康态人口子系统和病态人口子系统的变化趋势。
When the big population system is in stable state. The changing trend of population subsystem of healthy state and that of disease state is discussed.
④兰州—西宁区域人口属于超载状态，但是超载的人口规模在减小；
The population in Lanzhou-Xining area is in an overload state, but the overloading population decreases.
据专家介绍，中国符合世界卫生组织关于健康定义的人群只占总人口数的15％，与此同时，有15％的人处在疾病状态中，剩下70％的人处在在“亚健康”状态。
Only 15 per cent of Chinese people live to the definition for Health by WHO, and 15 per cent are being sick and the rest 70 per cent are sub healthy, said experts.
应用长寿地区老人心理健康调查表，包括人口学资料，国际通用的标准化工具中文版简易智能状态检查等。
Mental Health Questionnaire of long life's old man was adopted including demographic data and international standardized MMSE in Chinese.
形成这一状态的主要原因是人口的持续增长和为缓解人口压力不断扩大的垦殖及由此造成的生态环境的严重退化。
The main reasons for this are constant population increase, constantly enlarged cultivation of land against population pressure and the resultant severe ecological degeneration.
因为那时世界的总人口数量很小，早期的社会可以在孤立状态下存活。
Because the world's total population was small, the earliest societies were able to survive in isolation.
背景：根据最新的人口普查，俄亥俄的首都，唯一的主要城市，正处在人口方面增长的状态。
Background: Ohio's capital, according to the latest census, was the only major city in the state to grow in population.
HPV状态、人口统计及行为特征根据受试者的自我报告记录并采用电子病历核实归档。
HPV status and demographic and behavioral characteristics were self-reported and verified with electronic medical records.
改变的办法，不只是增加人口出生率，而是提高人口健康状态，延长人口平均劳动年限。
Because it is improved that only the change method and the birthrate of the population are not increased, and the population is healthy, the period of labor of the population is extended on average.
改变的办法，不只是增加人口出生率，而是提高人口健康状态，延长人口平均劳动年限。
Because it is improved that only the change method and the birthrate of the population are not increased, and the population is healthy, the period of labor of the population is extended on average.
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