stationary population; stable population

简明释义

稳定总体

英英释义

例句

1.Regions with a stationary population 静态人口 may face challenges in economic growth due to a lack of workforce expansion.

拥有静态人口的地区可能因缺乏劳动力扩展而面临经济增长挑战。

2.In a stationary population 静态人口, birth and death rates are equal, leading to no growth.

在静态人口中，出生率和死亡率相等，导致没有增长。

3.A country with a stationary population 静态人口 does not experience significant changes in its size over time.

一个拥有静态人口的国家，其规模在时间上没有显著变化。

4.Demographers often study the characteristics of a stable population 稳定人口 to predict future trends.

人口统计学家通常研究稳定人口的特征以预测未来趋势。

5.The concept of a stable population 稳定人口 is crucial for understanding demographic transitions.

理解人口转变时，稳定人口的概念至关重要。

作文

The concept of a stationary population refers to a demographic condition where the size of a population remains constant over time. In this scenario, the number of births and deaths are equal, leading to no net change in the overall population size. This situation can occur in a population that has reached a certain level of maturity in terms of age distribution and reproduction rates. On the other hand, a stable population is often used interchangeably with a stationary population, but it can also refer to a population that maintains its size while experiencing fluctuations in birth and death rates due to various factors such as migration or changes in health policies. Understanding these concepts is crucial for demographers and policymakers alike as they analyze population trends and plan for future needs. For instance, a stationary population indicates that a region may not need to expand its infrastructure significantly, whereas a stable population might still experience shifts that require adjustments in resource allocation.In practical terms, consider a small town that has a stationary population. The town has a consistent number of residents who are aging, and the birth rate is just enough to replace those who pass away. This creates a scenario where the town's schools, hospitals, and other services can be maintained without significant expansion or reduction. Conversely, a city with a stable population might see an influx of young professionals moving in while older residents move out. This dynamic can lead to growth in certain sectors, such as housing and entertainment, even if the overall population size remains the same.From an economic perspective, both types of populations have their advantages and disadvantages. A stationary population may lead to stability in job markets, as businesses can predict their customer base more accurately. However, it can also result in challenges related to an aging workforce and fewer young people entering the labor market. In contrast, a stable population may foster innovation and economic growth through a diverse workforce, but it could also strain public services if the population grows too quickly.In conclusion, the terms stationary population and stable population are important in understanding demographic trends and their implications. While they share similarities, recognizing the differences can help in effectively planning for future societal needs. Whether dealing with a stationary population or a stable population, policymakers must remain vigilant and adaptable to ensure that resources are allocated efficiently and that communities thrive regardless of their demographic status.

“静态人口”这一概念指的是一种人口状况，在这种情况下，人口总数在时间上保持不变。在这种情况下，出生人数和死亡人数相等，从而导致总体人口规模没有净变化。这种情况可能发生在一个已经在年龄分布和生育率方面达到一定成熟水平的人口中。另一方面，“稳定人口”通常与“静态人口”交替使用，但它也可以指在经历出生和死亡率波动的同时保持其规模的人口，这些波动可能由于移民或健康政策的变化而产生。理解这些概念对于人口统计学家和政策制定者至关重要，因为他们分析人口趋势并为未来需求进行规划。例如，静态人口表明一个地区可能不需要显著扩大基础设施，而稳定人口可能仍会经历变化，这需要在资源分配上进行调整。在实际操作中，考虑一个拥有静态人口的小镇。这个小镇有一群稳定的居民，他们正在老龄化，出生率刚好足以替代那些去世的人。这创造了一种情境，镇上的学校、医院和其他服务可以在没有显著扩展或减少的情况下维持下去。相反，一个拥有稳定人口的城市可能会看到年轻专业人士的涌入，同时年长居民搬出。这种动态可能导致某些部门（如住房和娱乐）的增长，即使整体人口规模保持不变。从经济角度来看，这两种类型的人口都有其优缺点。静态人口可能导致就业市场的稳定，因为企业可以更准确地预测其客户基础。然而，它也可能导致与老龄化劳动力和进入劳动力市场的年轻人数量较少有关的挑战。相比之下，稳定人口可能通过多样化的劳动力促进创新和经济增长，但如果人口增长过快，也可能对公共服务造成压力。总之，静态人口和稳定人口这两个术语在理解人口趋势及其影响方面非常重要。尽管它们有相似之处，但认识到它们之间的差异可以帮助有效规划未来的社会需求。无论是处理静态人口还是稳定人口，政策制定者都必须保持警惕和适应，以确保资源有效分配，并确保社区在其人口状态下蓬勃发展。