mariner's ring = astrolabe

简明释义

圆圈测天仪

英英释义

例句

1.The museum displayed a replica of the mariner's ring = astrolabe used by explorers in the 15th century.

博物馆展出了15世纪探险家使用的航海者的戒指 = 天文仪的复制品。

2.Sailors in ancient times used the mariner's ring = astrolabe to determine their latitude by measuring the angle of the stars.

古代水手使用航海者的戒指 = 天文仪通过测量星星的角度来确定他们的纬度。

3.During a sailing trip, I learned how to use a mariner's ring = astrolabe to find my way using the stars.

在一次航海旅行中，我学会了如何使用航海者的戒指 = 天文仪通过星星找到方向。

4.The mariner's ring = astrolabe was an essential tool for navigation across the open seas.

在广阔海洋上的航行中，航海者的戒指 = 天文仪是一个必不可少的工具。

5.Modern navigators still appreciate the historical significance of the mariner's ring = astrolabe in maritime exploration.

现代导航员仍然欣赏航海者的戒指 = 天文仪在海洋探索中的历史意义。

作文

The history of navigation is filled with remarkable tools and instruments that have enabled sailors to explore the vast oceans. Among these, one of the most significant devices is the astrolabe, often referred to as the mariner's ring = astrolabe. This term highlights the critical role that this instrument played in maritime navigation, particularly during the Age of Exploration. The astrolabe, which dates back to ancient Greece, was adapted by mariners for use at sea. It allowed sailors to measure the altitude of celestial bodies, helping them determine their latitude and navigate accurately. The mariner's ring = astrolabe is a fascinating example of how technology evolved to meet the needs of explorers. Initially, the astrolabe was used primarily on land, but as navigation became increasingly important for trade and exploration, its design was modified for maritime use. Mariners created a version known as the 'mariner's astrolabe,' which was more robust and suitable for the harsh conditions at sea. This adaptation showcased the ingenuity of sailors who were determined to conquer the unpredictable nature of the ocean.Using the mariner's ring = astrolabe, sailors could calculate their position by measuring the angle of the sun or stars above the horizon. This process involved aligning the instrument with the celestial body and then reading the angle on a scale. With this information, they could consult navigational charts and determine their course. The ability to accurately chart a course was essential for long voyages, as it prevented ships from getting lost and ensured they could reach their destinations safely.The significance of the mariner's ring = astrolabe extends beyond mere navigation; it represents a pivotal moment in human history. During the 15th and 16th centuries, the Age of Exploration saw European powers expand their territories and influence across the globe. Explorers like Christopher Columbus and Vasco da Gama relied heavily on navigational tools, including the astrolabe, to embark on their historic voyages. The successful navigation of uncharted waters opened up new trade routes and facilitated cultural exchanges between distant lands.However, the use of the mariner's ring = astrolabe was not without its challenges. Mariners had to possess a deep understanding of astronomy and mathematics to use the instrument effectively. Mistakes in measurement could lead to disastrous consequences, such as shipwrecks or getting lost at sea. Despite these challenges, the astrolabe remained a vital tool for centuries, evolving alongside advancements in navigation techniques.In modern times, while technology has drastically changed the way we navigate—thanks to GPS and satellite systems—the legacy of the mariner's ring = astrolabe endures. It serves as a reminder of the resilience and resourcefulness of early navigators who dared to venture into the unknown. The astrolabe is now celebrated as a symbol of scientific achievement and exploration, inspiring new generations to pursue their dreams of discovery and adventure on the high seas.In conclusion, the mariner's ring = astrolabe is more than just a navigational instrument; it encapsulates the spirit of exploration and the quest for knowledge that has driven humanity forward. Its historical significance and impact on navigation continue to be felt today, reminding us of our rich maritime heritage and the importance of innovation in overcoming challenges. As we look to the future, let us honor the contributions of those who came before us and strive to push the boundaries of exploration even further.

航海历史充满了卓越的工具和仪器，使水手能够探索广阔的海洋。在这些工具中，最重要的设备之一就是天文仪，这种仪器通常被称为mariner's ring = astrolabe。这个术语突出了这种仪器在海洋导航中的关键作用，特别是在探索时代。天文仪可以追溯到古希腊，它被水手们改编用于海上。它使水手能够测量天体的高度，帮助他们确定纬度并进行准确导航。 mariner's ring = astrolabe是技术如何发展以满足探险者需求的一个迷人例子。最初，天文仪主要在陆地上使用，但随着航海在贸易和探索中的重要性日益增加，它的设计被修改为适合海上使用。水手们创造了一种称为“海员天文仪”的版本，更加坚固，适合海上的恶劣环境。这种改编展示了水手们的聪明才智，他们决心征服海洋的不可预测性。使用mariner's ring = astrolabe，水手可以通过测量太阳或星星在地平线上的角度来计算他们的位置。这一过程涉及将仪器与天体对齐，然后在刻度上读取角度。通过这些信息，他们可以咨询航海图，确定航线。准确绘制航线的能力对于长途航行至关重要，因为这防止了船只迷失方向，并确保它们能够安全到达目的地。mariner's ring = astrolabe的重要性不仅仅体现在航海上；它代表了人类历史中的一个关键时刻。在15和16世纪，探索时代见证了欧洲列强在全球扩展其领土和影响力。像克里斯托弗·哥伦布和瓦斯科·达·伽马这样的探险家在他们的历史性航行中严重依赖于导航工具，包括天文仪。成功导航未知水域打开了新的贸易路线，并促进了遥远土地之间的文化交流。然而，使用mariner's ring = astrolabe并非没有挑战。水手必须深刻理解天文学和数学，以有效使用该仪器。测量中的错误可能导致灾难性的后果，例如船只失事或在海上迷失方向。尽管面临这些挑战，天文仪仍然是几个世纪以来的重要工具，并随着导航技术的进步而不断演变。在现代，尽管技术已大幅改变我们导航的方式——得益于GPS和卫星系统——但mariner's ring = astrolabe的遗产依然存在。它提醒我们早期导航者的韧性和机智，他们敢于冒险进入未知领域。天文仪如今被誉为科学成就和探索的象征，激励着新一代追求发现和冒险的梦想，尤其是在浩瀚的海洋上。总之，mariner's ring = astrolabe不仅仅是一种导航工具；它概括了探索精神和推动人类前进的知识追求。它的历史意义和对导航的影响至今仍然显著，提醒我们珍视丰富的海洋遗产以及在克服挑战中创新的重要性。当我们展望未来时，让我们尊重那些在我们之前做出贡献的人，并努力将探索的边界推向更远。