magnetic meridian

简明释义

磁子午线

英英释义

例句

1.The magnetic meridian 磁子经线 can shift due to solar activity, affecting navigation systems.

由于太阳活动，magnetic meridian 磁子经线 可能会发生变化，从而影响导航系统。

2.Pilots must account for the difference between true north and the magnetic meridian 磁子经线 when flying.

飞行员在飞行时必须考虑真实北方与magnetic meridian 磁子经线 之间的差异。

3.Geologists study the magnetic meridian 磁子经线 to understand the Earth's magnetic field changes over time.

地质学家研究magnetic meridian 磁子经线 以了解地球磁场随时间的变化。

4.In surveying, measuring angles relative to the magnetic meridian 磁子经线 helps in creating accurate maps.

在测量中，相对于magnetic meridian 磁子经线 测量角度有助于制作准确的地图。

5.When navigating at sea, sailors often align their compasses with the magnetic meridian 磁子经线 to determine their direction.

在海上航行时，水手通常会将他们的指南针与magnetic meridian 磁子经线 对齐以确定方向。

作文

The concept of the magnetic meridian plays a crucial role in understanding Earth's magnetic field and navigation. The magnetic meridian is defined as an imaginary line that connects the north and south magnetic poles of the Earth. Unlike the geographic meridian, which is based on the Earth's rotation and fixed geographical coordinates, the magnetic meridian is influenced by the Earth's magnetic field, which can vary based on location and time.In practical terms, the magnetic meridian is significant for navigators and explorers. Historically, sailors relied on compasses, which align themselves with the magnetic meridian, to determine their direction at sea. This reliance on the magnetic meridian highlights its importance in maritime navigation, where accurate positioning is essential for safety and efficiency.Moreover, the magnetic meridian is not static; it shifts over time due to changes in the Earth's magnetic field. This phenomenon is known as magnetic declination, which refers to the angle difference between true north (geographic north) and magnetic north (the direction a compass points). Understanding this shift is vital for modern navigation systems, including GPS technology, which must account for variations in the magnetic meridian to provide precise location data.In addition to navigation, the magnetic meridian has implications in various scientific fields, including geology and environmental studies. Researchers study the magnetic meridian to gain insights into the Earth's interior and its magnetic properties. By analyzing the magnetic field's behavior along different magnetic meridians, scientists can infer information about tectonic activities and the composition of the Earth's crust.Furthermore, the magnetic meridian is essential for understanding phenomena such as auroras and geomagnetic storms. These natural occurrences are influenced by solar winds and the interaction between the Earth's magnetic field and charged particles from the sun. The distribution of these phenomena often aligns with the magnetic meridian, providing a visual representation of the Earth's magnetic influence.In conclusion, the magnetic meridian is a fundamental concept that intersects various disciplines, from navigation to scientific research. Its dynamic nature and significance in understanding Earth's magnetic field make it a topic worthy of exploration and study. As technology advances and our understanding of the Earth deepens, the magnetic meridian will continue to be an essential element in our quest for knowledge about the planet we inhabit.

“磁子午线”的概念在理解地球磁场和导航方面起着至关重要的作用。“磁子午线”被定义为连接地球北极和南极的想象线。与基于地球自转和固定地理坐标的地理子午线不同，“磁子午线”受到地球磁场的影响，这种影响会根据位置和时间而变化。在实际应用中，“磁子午线”对导航员和探险家具有重要意义。历史上，水手依靠指南针，指南针会与“磁子午线”对齐，以确定他们在海上的方向。这种对“磁子午线”的依赖突显了它在海洋导航中的重要性，在海洋导航中，准确定位对于安全和效率至关重要。此外，“磁子午线”并非静态；由于地球磁场的变化，它会随着时间而移动。这种现象被称为磁偏角，指的是真北（地理北）与磁北（指南针指向的方向）之间的角度差异。理解这种变化对于现代导航系统至关重要，包括GPS技术，GPS技术必须考虑“磁子午线”的变化，以提供精确的位置数据。除了导航之外，“磁子午线”在地质学和环境研究等多个科学领域也具有重要意义。研究人员研究“磁子午线”，以获取有关地球内部及其磁性特性的见解。通过分析不同“磁子午线”上的磁场行为，科学家可以推断出有关构造活动和地壳组成的信息。此外，“磁子午线”对于理解极光和地磁风暴等现象至关重要。这些自然现象受到太阳风的影响，并且是地球磁场与来自太阳的带电粒子之间相互作用的结果。这些现象的分布通常与“磁子午线”对齐，提供了地球磁场影响的可视化表示。总之，“磁子午线”是一个基本概念，交叉了多个学科，从导航到科学研究。它的动态特性及其在理解地球磁场中的重要性使其成为值得探索和研究的主题。随着技术的进步和我们对地球的理解加深，“磁子午线”将继续成为我们探索关于我们居住星球知识的基本要素。