population density

简明释义

人口密度

英英释义

例句

1.Cities with low population density (人口密度) often have more green spaces and parks.

人口密度较低的城市通常有更多的绿地和公园。

2.Governments use population density (人口密度) data to plan for infrastructure and services.

政府利用人口密度（人口密度）数据来规划基础设施和服务。

3.In rural areas, the population density (人口密度) is often much lower than in urban centers.

在农村地区，人口密度（人口密度）通常远低于城市中心。

4.The city has a high population density (人口密度), making it one of the most crowded places in the country.

这座城市的人口密度（人口密度）很高，使其成为全国最拥挤的地方之一。

5.A high population density (人口密度) can lead to increased competition for resources.

高人口密度（人口密度）可能导致资源竞争加剧。

作文

Population density is a term that refers to the number of people living per unit area, typically expressed as individuals per square kilometer or square mile. Understanding population density (人口密度) is crucial for various reasons, including urban planning, resource allocation, and environmental management. High population density (人口密度) can lead to overcrowding, increased competition for resources, and strain on infrastructure. Conversely, low population density (人口密度) might indicate underutilized land and can affect economic development. In urban areas, high population density (人口密度) is often seen in cities where numerous people live in close proximity. This concentration can foster economic activity, cultural exchange, and innovation. However, it can also result in challenges such as traffic congestion, pollution, and limited access to green spaces. For instance, cities like Tokyo and New York have some of the highest population densities (人口密度) in the world, which contributes to their vibrant economies but also presents significant challenges in terms of livability and sustainability.On the other hand, rural areas tend to have a much lower population density (人口密度). This can lead to a more tranquil lifestyle and greater access to nature, but it may also result in fewer services and economic opportunities. Low population density (人口密度) regions often struggle with maintaining schools, healthcare, and transportation services due to a smaller tax base. As a result, many rural communities face the challenge of attracting new residents while retaining their existing populations.The concept of population density (人口密度) also plays a significant role in environmental studies. High population density (人口密度) areas often experience greater environmental degradation due to increased waste production, energy consumption, and habitat destruction. Urban sprawl, driven by the demand for housing and business space, can encroach on natural habitats, threatening biodiversity and leading to ecological imbalances. Therefore, understanding population density (人口密度) is essential for developing sustainable practices that balance human needs with environmental preservation.Furthermore, population density (人口密度) can influence public policy and governance. Governments must consider population density (人口密度) when designing public transport systems, housing policies, and emergency response plans. Areas with high population density (人口密度) may require more robust public services and infrastructure investments to ensure that all residents have access to necessary resources. In contrast, policymakers in less dense areas might focus on initiatives that promote connectivity and economic development to attract new residents.In conclusion, population density (人口密度) is a multifaceted concept that impacts various aspects of life, from urban planning to environmental sustainability. Understanding the implications of population density (人口密度) can help communities navigate the challenges and opportunities presented by their unique demographic landscapes. By balancing the needs of their populations with environmental considerations, societies can work towards creating livable, sustainable environments for future generations.