earth radius
简明释义
地球半径
英英释义
The distance from the center of the Earth to its surface, typically measured as approximately 6,371 kilometers (3,959 miles). | 从地球中心到地球表面的距离,通常约为6371公里(3959英里)。 |
例句
1.When modeling the planet's atmosphere, the earth radius is a crucial parameter.
在模拟地球大气时,地球半径是一个关键参数。
2.To determine the gravitational pull, scientists consider the earth radius in their calculations.
为了确定引力,科学家在计算中考虑了地球半径。
3.The average distance to the satellites is often calculated using the earth radius.
到卫星的平均距离通常使用地球半径进行计算。
4.Geologists use the earth radius to estimate the size of tectonic plates.
地质学家使用地球半径来估算构造板块的大小。
5.In navigation systems, the earth radius helps in calculating distances between locations.
在导航系统中,地球半径有助于计算地点之间的距离。
作文
The concept of the earth radius (地球半径) is fundamental in understanding our planet's size and shape. It is defined as the distance from the center of the Earth to its surface, which varies slightly depending on where you are measuring it due to the Earth's oblate spheroid shape. The average earth radius (地球半径) is about 6,371 kilometers. This measurement is not just a number; it has significant implications for various fields, including geography, astronomy, and environmental science.In geography, the earth radius (地球半径) plays a crucial role in calculating distances and areas. For instance, when cartographers create maps, they must consider the curvature of the Earth, which is directly related to the earth radius (地球半径). Understanding this helps in accurately representing large areas on a two-dimensional surface. Additionally, the earth radius (地球半径) is essential for navigation. GPS systems rely on precise calculations involving the Earth's radius to determine locations accurately.Astronomically, the earth radius (地球半径) is used as a reference point for measuring distances within our solar system and beyond. For example, when scientists calculate the size of other planets or their distances from the Earth, they often use the earth radius (地球半径) as a standard unit of measurement. This allows for a better understanding of the relative sizes and positions of celestial bodies.Moreover, the earth radius (地球半径) is vital in environmental science, especially in studies related to climate change and global warming. Researchers use the earth radius (地球半径) to model how heat is distributed across the planet and how changes in temperature can affect sea levels. By understanding the Earth's dimensions, scientists can make more accurate predictions about the impacts of climate change on various ecosystems.In addition to its scientific significance, the earth radius (地球半径) also has cultural and philosophical implications. Throughout history, different civilizations have attempted to measure the Earth's size, leading to advancements in mathematics and exploration. The ancient Greeks, for example, made remarkable calculations regarding the earth radius (地球半径) that laid the groundwork for modern geodesy.In conclusion, the earth radius (地球半径) is more than just a measurement; it is a key element that connects various disciplines and enhances our understanding of the world. Whether in practical applications like navigation and mapping or in theoretical explorations of our universe, the significance of the earth radius (地球半径) cannot be overstated. As we continue to explore and understand our planet and beyond, the earth radius (地球半径) will remain a critical aspect of our scientific inquiries and discoveries.
“地球半径”的概念是理解我们星球的大小和形状的基础。它被定义为从地球中心到其表面的距离,这个距离因测量地点的不同而略有变化,因为地球呈扁球体形状。平均的“地球半径”约为6371公里。这个测量不仅仅是一个数字;它在地理、天文学和环境科学等多个领域具有重要意义。在地理学中,“地球半径”在计算距离和面积时起着至关重要的作用。例如,当制图师绘制地图时,他们必须考虑地球的曲率,而这与“地球半径”直接相关。理解这一点有助于在二维表面上准确表示大面积。此外,“地球半径”对导航也至关重要。GPS系统依赖于涉及地球半径的精确计算来准确确定位置。在天文学上,“地球半径”被用作测量我们太阳系及其外部距离的参考点。例如,当科学家计算其他行星的大小或它们与地球的距离时,他们通常使用“地球半径”作为标准单位。这使得更好地理解天体的相对大小和位置成为可能。此外,“地球半径”在环境科学中也是至关重要的,特别是在与气候变化和全球变暖相关的研究中。研究人员使用“地球半径”来模拟热量如何在地球上分布,以及温度变化如何影响海平面。通过理解地球的尺寸,科学家可以更准确地预测气候变化对各种生态系统的影响。除了其科学意义外,“地球半径”还具有文化和哲学上的含义。在历史上,不同的文明曾试图测量地球的大小,从而推动了数学和探索的进步。例如,古希腊人对“地球半径”进行了惊人的计算,为现代大地测量学奠定了基础。总之,“地球半径”不仅仅是一个测量值;它是连接各个学科并增强我们对世界理解的关键要素。无论是在导航和制图等实际应用中,还是在对我们宇宙的理论探索中,“地球半径”的重要性都不容小觑。随着我们继续探索和理解我们的星球及其以外的事物,“地球半径”将始终是我们科学探究和发现的关键方面。
相关单词