square kilometres

简明释义

平方公里

英英释义

例句

1.The new wildlife reserve was established on 200 square kilometres of land.

新的野生动物保护区在200平方公里的土地上建立。

2.The city covers an expanse of 300 square kilometres.

这座城市的面积覆盖了300平方公里。

3.The area of the national park is approximately 500 square kilometres.

这个国家公园的面积大约为500平方公里。

4.Their farm spans over 50 square kilometres of agricultural land.

他们的农场占地超过50平方公里的农业用地。

5.The lake has a surface area of 150 square kilometres.

这个湖泊的表面积为150平方公里。

作文

Understanding the concept of area measurement is crucial in various fields, including geography, urban planning, and environmental science. One of the most common units used to measure large areas is the term square kilometres, which refers to a unit of area equal to a square with sides of one kilometre. This measurement is particularly useful when discussing land sizes, population density, and environmental impacts. For instance, when we say that a city covers an area of 100 square kilometres (平方公里), it means that the city occupies a space that could fit a square measuring 10 km on each side.In urban planning, understanding the size of different regions in square kilometres (平方公里) helps planners make informed decisions about resource allocation, infrastructure development, and zoning regulations. For example, if a city is expanding into a new area that is 50 square kilometres (平方公里), planners can analyze how this expansion will affect traffic patterns, public services, and housing availability. Additionally, knowing the area in square kilometres (平方公里) allows for better comparisons between different cities or regions, helping stakeholders understand which areas are more densely populated or have more available land.Environmental scientists also rely on square kilometres (平方公里) to assess the impact of human activities on natural ecosystems. For instance, when evaluating deforestation, researchers might measure the area of forest lost in square kilometres (平方公里) to quantify the scale of the problem. If a rainforest is shrinking by 20 square kilometres (平方公里) each year, this metric helps convey the urgency of conservation efforts. Furthermore, when discussing protected areas, such as national parks, the total area is often expressed in square kilometres (平方公里), providing a clear picture of the extent of land preserved for biodiversity.In agriculture, farmers and landowners might use square kilometres (平方公里) to describe the size of their farms or the land available for cultivation. Understanding the area in square kilometres (平方公里) can help in planning crop rotations, irrigation systems, and sustainable practices. For example, a farmer with a 2 square kilometres (平方公里) plot can calculate how much produce they can expect based on the land available and the type of crops they choose to plant.In conclusion, the term square kilometres (平方公里) is not just a simple measurement; it holds significant importance across various disciplines. Whether in urban planning, environmental science, or agriculture, this unit of area helps us make sense of our surroundings and informs critical decisions that affect our lives and the planet. By grasping the implications of square kilometres (平方公里), we can better appreciate the scale of human activity and its impact on the world around us.

理解面积测量的概念在地理、城市规划和环境科学等多个领域都至关重要。最常用来测量大面积的单位之一是术语平方公里，它指的是一个边长为一公里的正方形的面积单位。这个测量在讨论土地大小、人口密度和环境影响时特别有用。例如，当我们说一个城市的面积为100平方公里(平方公里)时，这意味着该城市占据的空间可以容纳一个每边10公里的正方形。在城市规划中，了解不同地区的平方公里(平方公里)大小有助于规划者做出关于资源分配、基础设施发展和分区法规的明智决策。例如，如果一个城市正在扩展到一个面积为50平方公里(平方公里)的新区域，规划者可以分析这种扩展将如何影响交通模式、公共服务和住房供应。此外，了解平方公里(平方公里)的面积允许更好地比较不同的城市或地区，帮助利益相关者理解哪些地区人口更密集或可用土地更多。环境科学家也依赖于平方公里(平方公里)来评估人类活动对自然生态系统的影响。例如，在评估森林砍伐时，研究人员可能会测量每年损失的森林面积，以平方公里(平方公里)为单位来量化问题的规模。如果一片雨林每年缩小20平方公里(平方公里)，这个指标有助于传达保护工作的紧迫性。此外，在讨论保护区（如国家公园）时，总面积通常以平方公里(平方公里)表示，清晰地展示了为生物多样性保护的土地范围。在农业中，农民和土地所有者可能会使用平方公里(平方公里)来描述他们农场的大小或可用于耕作的土地。了解平方公里(平方公里)的面积可以帮助规划作物轮作、灌溉系统和可持续实践。例如，一位拥有2平方公里(平方公里)土地的农民可以根据可用土地和选择种植的作物类型来计算他们预计的产量。总之，术语平方公里(平方公里)不仅仅是一个简单的测量；它在各个学科中具有重要意义。无论是在城市规划、环境科学还是农业中，这个面积单位帮助我们理解周围的环境，并为影响我们生活和地球的关键决策提供信息。通过掌握平方公里(平方公里)的含义，我们可以更好地欣赏人类活动的规模及其对我们周围世界的影响。