gross reproduction rate

简明释义

总再生产率

英英释义

例句

1.Countries with a gross reproduction rate 总生育率 below replacement level face potential population decline.

生育率低于更替水平的国家面临潜在的人口下降。

2.A high gross reproduction rate 总生育率 often leads to increased strain on resources and infrastructure.

高的gross reproduction rate 总生育率 通常会导致资源和基础设施的压力增加。

3.The country's gross reproduction rate 总生育率 indicates whether the population can sustain itself over generations.

这个国家的gross reproduction rate 总生育率 表明该人口是否能够在几代人中维持自身。

4.The gross reproduction rate 总生育率 is a key indicator in evaluating reproductive health policies.

在评估生殖健康政策时，gross reproduction rate 总生育率 是一个关键指标。

5.Demographers use the gross reproduction rate 总生育率 to predict future population trends.

人口统计学家使用gross reproduction rate 总生育率 来预测未来的人口趋势。

作文

The concept of the gross reproduction rate is a crucial metric in demography that helps to understand population dynamics. It refers to the average number of daughters that would be born to a woman (or group of women) over her lifetime, assuming that she were to experience the exact current age-specific fertility rates through her lifetime and that she were not subject to mortality. This measure provides insights into the potential for population growth or decline within a specific region or country. Understanding the gross reproduction rate is essential for policymakers and researchers alike, as it offers a clear picture of reproductive behavior and trends. For instance, if the gross reproduction rate is above replacement level, which is typically around 2.1 in developed countries, it indicates that the population may grow in the future. Conversely, a gross reproduction rate below this threshold suggests a declining population, which can lead to various socio-economic challenges.In many countries, the gross reproduction rate has been influenced by various factors, including education, access to healthcare, cultural norms, and economic conditions. For example, in regions where women have greater access to education and employment opportunities, the gross reproduction rate tends to be lower. This correlation can be attributed to the fact that educated women often choose to delay childbirth in favor of pursuing careers and personal development.Conversely, in areas with limited educational opportunities for women, the gross reproduction rate may remain high. This situation can lead to overpopulation, straining resources such as healthcare, education, and employment. Therefore, understanding the gross reproduction rate is vital for planning and implementing effective policies aimed at sustainable development.Moreover, the gross reproduction rate also plays a significant role in understanding the implications of immigration and emigration on population dynamics. Countries experiencing high levels of immigration may see an increase in their gross reproduction rate due to the younger demographic of incoming populations. This can offset declines in the native population’s gross reproduction rate, contributing to a more balanced demographic structure.In summary, the gross reproduction rate is not just a number; it encapsulates the reproductive health and choices of a population. It serves as a critical indicator for understanding the future trajectory of a society's demographic landscape. Policymakers must pay close attention to this metric to address potential issues related to population aging, labor shortages, and social services. By fostering environments that support women's education and healthcare, societies can positively influence their gross reproduction rate, ultimately leading to healthier and more sustainable communities.

总生育率（gross reproduction rate）是人口统计学中一个重要的指标，有助于理解人口动态。它指的是一个女性（或一组女性）在其一生中平均会生育的女儿数量，假设她经历了当前的年龄特定生育率，并且不受死亡影响。这个指标提供了特定地区或国家人口增长或下降的潜在见解。理解gross reproduction rate对于政策制定者和研究人员来说至关重要，因为它清晰地展示了生育行为和趋势。例如，如果gross reproduction rate高于更替水平，通常在发达国家约为2.1，这表明未来人口可能会增长。相反，如果gross reproduction rate低于这一阈值，则表明人口可能会下降，这可能导致各种社会经济挑战。在许多国家，gross reproduction rate受到教育、医疗保健、文化规范和经济条件等多种因素的影响。例如，在女性有更多教育和就业机会的地区，gross reproduction rate往往较低。这种相关性可以归因于受过教育的女性通常选择推迟生育，以追求事业和个人发展。相反，在女性教育机会有限的地区，gross reproduction rate可能保持在较高水平。这种情况可能导致人口过剩，从而对医疗、教育和就业等资源造成压力。因此，理解gross reproduction rate对于规划和实施可持续发展政策至关重要。此外，gross reproduction rate在理解移民和移出对人口动态的影响方面也起着重要作用。经历高水平移民的国家，可能由于年轻移民群体的涌入而看到其gross reproduction rate的上升。这可以抵消本土人口的gross reproduction rate下降，从而促进更平衡的人口结构。总之，gross reproduction rate不仅仅是一个数字；它概括了一个人口的生育健康和选择。它作为理解社会人口格局未来轨迹的关键指标。政策制定者必须密切关注这一指标，以解决与人口老龄化、劳动力短缺和社会服务相关的潜在问题。通过营造支持女性教育和医疗保健的环境，社会可以积极影响其gross reproduction rate，最终导致更健康和更可持续的社区。