layer 10-30km above earth

简明释义

地球以上10到30公里层称为B层

英英释义

例句

1.Meteorologists study the layer 10-30km above earth to understand weather patterns and atmospheric conditions.

气象学家研究地球上方10-30公里的层以了解天气模式和大气条件。

2.Commercial flights usually operate within the layer 10-30km above earth for optimal fuel efficiency.

商业航班通常在地球上方10-30公里的层内飞行，以实现最佳燃油效率。

3.The ozone is concentrated in the layer 10-30km above earth, which protects us from harmful UV radiation.

臭氧集中在地球上方10-30公里的层，它保护我们免受有害紫外线的伤害。

4.Research indicates that climate change is affecting the layer 10-30km above earth significantly.

研究表明，气候变化正在显著影响地球上方10-30公里的层。

5.The layer 10-30km above earth plays a crucial role in satellite communications and GPS technology.

在地球上方10-30公里的层中，卫星通信和GPS技术起着至关重要的作用。

作文

The Earth is surrounded by a complex atmosphere that plays a crucial role in sustaining life. Among the various layers of the atmosphere, there exists a significant region known as the layer 10-30km above earth. This layer is essential for numerous reasons, and understanding its characteristics can help us appreciate the delicate balance that supports our planet's ecosystem.The layer 10-30km above earth primarily comprises the stratosphere, which is located just above the troposphere. The stratosphere is characterized by a gradual increase in temperature with altitude due to the presence of ozone. Ozone molecules absorb harmful ultraviolet (UV) radiation from the sun, protecting living organisms on Earth from its detrimental effects. This protective function highlights the importance of the layer 10-30km above earth in maintaining the health of our planet.In addition to its protective role, the layer 10-30km above earth also influences weather patterns and climate. The stability of this layer allows for the formation of jet streams, which are fast-flowing air currents that can significantly impact weather systems. These jet streams play a vital role in determining the movement of storm systems and can influence temperatures across vast regions. Consequently, understanding the dynamics of the layer 10-30km above earth is essential for meteorologists and climate scientists who seek to predict weather changes and mitigate the impacts of climate change.Moreover, the layer 10-30km above earth serves as a boundary for various human activities. Commercial air travel typically occurs within the lower stratosphere, where aircraft can take advantage of the stable air and reduced drag. This layer also acts as a buffer against space debris, which can burn up upon entering the denser parts of the atmosphere, thus protecting both satellites and the Earth's surface from potential collisions.However, the layer 10-30km above earth is not without its challenges. Human activities, particularly the release of greenhouse gases and pollutants, have begun to affect the quality of this layer. The depletion of the ozone layer, primarily caused by chlorofluorocarbons (CFCs), has raised concerns about increased UV radiation reaching the Earth's surface. This situation emphasizes the need for international cooperation and regulatory measures to protect the integrity of the layer 10-30km above earth and, by extension, the health of our planet.In conclusion, the layer 10-30km above earth is a vital component of our atmosphere that influences life on Earth in numerous ways. From protecting us from harmful UV radiation to affecting weather patterns and supporting aviation, this layer is integral to our existence. As we continue to explore and understand the complexities of our atmosphere, it becomes increasingly important to recognize the impact of human activities on this fragile layer and work towards its preservation for future generations.

地球被复杂的大气层所包围，这在维持生命方面发挥着至关重要的作用。在大气层的各个层次中，有一个重要的区域被称为距地面10-30公里的层。这个层次因多种原因而至关重要，理解其特征可以帮助我们欣赏支持地球生态系统的微妙平衡。距地面10-30公里的层主要由平流层组成，它位于对流层之上。平流层的特点是随着高度的增加，温度逐渐升高，这得益于臭氧的存在。臭氧分子吸收来自太阳的有害紫外线（UV）辐射，保护地球上的生物免受其有害影响。这一保护功能突显了距地面10-30公里的层在维护我们星球健康方面的重要性。除了保护作用外，距地面10-30公里的层还影响天气模式和气候。这个层次的稳定性允许形成急流，这些快速流动的气流可以显著影响天气系统。这些急流在决定风暴系统的移动以及影响广泛区域的温度方面发挥着至关重要的作用。因此，理解距地面10-30公里的层的动态对于气象学家和气候科学家来说至关重要，他们寻求预测天气变化并减轻气候变化的影响。此外，距地面10-30公里的层也作为各种人类活动的边界。商业航空旅行通常发生在较低的平流层内，飞机可以利用稳定的空气和减少的阻力。这个层次还充当太空碎片的缓冲区，碎片在进入更密集的大气层时会燃烧，从而保护卫星和地球表面免受潜在碰撞。然而，距地面10-30公里的层并非没有挑战。人类活动，尤其是温室气体和污染物的释放，已经开始影响这个层次的质量。臭氧层的破坏主要是由于氯氟烃（CFCs）的使用，引发了对更多紫外线辐射到达地球表面的担忧。这种情况强调了国际合作和监管措施的必要性，以保护距地面10-30公里的层的完整性，以及由此保护我们星球的健康。总之，距地面10-30公里的层是我们大气的重要组成部分，以多种方式影响地球上的生命。从保护我们免受有害紫外线辐射到影响天气模式和支持航空，这一层次对我们的生存至关重要。随着我们继续探索和理解大气的复杂性，越来越重要的是认识到人类活动对这一脆弱层次的影响，并致力于为后代保护它。