standard meridian

简明释义

标准子午线;地图投影标准子午线

英英释义

例句

1.The standard meridian (标准子午线) is crucial for navigation and mapping purposes.

对于导航和制图目的来说，标准子午线 (标准子午线) 是至关重要的。

2.When calculating time differences, one must consider the standard meridian (标准子午线) of each location.

在计算时差时，必须考虑每个地点的标准子午线 (标准子午线)。

3.The time zone for this region is based on the standard meridian (标准子午线) of 90 degrees east.

该地区的时区是基于90度东的标准子午线 (标准子午线)。

4.In geography, a standard meridian (标准子午线) helps determine the local time.

在地理学中，标准子午线 (标准子午线) 有助于确定当地时间。

5.Each country may have its own standard meridian (标准子午线) for setting time zones.

每个国家可能有自己的标准子午线 (标准子午线) 来设置时区。

作文

In the realm of geography and timekeeping, the concept of a standard meridian plays a crucial role. A standard meridian is an imaginary line of longitude that serves as a reference point for establishing time zones. It is essential for coordinating activities across different regions of the world, ensuring that people can synchronize their schedules effectively. The Earth is divided into 24 time zones, each generally spanning 15 degrees of longitude. Each standard meridian corresponds to one hour of time difference from Coordinated Universal Time (UTC). This system allows for a structured approach to timekeeping, which is vital in our increasingly interconnected world.The most commonly recognized standard meridian is the Prime Meridian, located at 0 degrees longitude. It runs through Greenwich, London, and serves as the starting point for measuring time zones east and west. Every 15 degrees east or west of the Prime Meridian represents a different time zone, with the local time varying accordingly. For instance, when it is noon at the Prime Meridian, it is 1:00 PM at 15 degrees east and 11:00 AM at 15 degrees west. This systematic approach to time zones facilitates international travel, trade, and communication.Understanding the significance of standard meridian is not just about knowing the time; it also reflects the historical development of global navigation and exploration. Before the establishment of standardized time zones, local mean time was used, which varied from one location to another. This inconsistency created confusion, especially for travelers and merchants who relied on accurate timekeeping. The introduction of the standard meridian concept in the late 19th century marked a turning point in how societies organized their daily lives and interactions.Moreover, the standard meridian has implications beyond mere timekeeping. It influences various fields such as aviation, telecommunications, and even internet connectivity. For instance, airlines must consider time zones when scheduling flights and coordinating arrivals and departures. Similarly, businesses operating across multiple countries rely on the standard meridian to schedule meetings and manage operations efficiently.In addition to practical applications, the standard meridian also has cultural significance. Different regions may have unique interpretations of time, influenced by local customs and practices. For example, some cultures place a higher value on punctuality than others, which can lead to misunderstandings in international interactions. Recognizing the role of the standard meridian in shaping these perceptions can foster better cross-cultural communication and collaboration.In conclusion, the standard meridian is a fundamental concept that underpins our understanding of time and geography. It provides a framework for organizing time zones, facilitating global interactions, and enhancing communication. As our world continues to evolve, the importance of the standard meridian remains ever relevant, reminding us of the intricate connections that bind us together in this vast and diverse planet. By appreciating the role of the standard meridian, we can navigate not only the physical landscape but also the complex web of human relationships that define our existence.

在地理和时间管理的领域中，标准子午线的概念起着至关重要的作用。标准子午线是一个虚拟的经线，作为建立时区的参考点。它对于协调世界各个地区的活动至关重要，确保人们能够有效地同步他们的日程安排。地球被划分为24个时区，每个时区通常跨越15度的经度。每个标准子午线对应于与协调世界时（UTC）的一小时时间差。这种系统使得时间管理有条不紊，这在我们日益互联的世界中是至关重要的。最常被认可的标准子午线是位于0度经度的本初子午线。它穿过伦敦格林威治，并作为测量东、西经度时区的起点。每向东或向西15度的地方代表一个不同的时区，当地时间相应变化。例如，当本初子午线是中午时，东15度是下午1点，而西15度是上午11点。这种对时区的系统化处理促进了国际旅行、贸易和交流。理解标准子午线的重要性不仅仅是了解时间；它还反映了全球导航和探索的历史发展。在建立标准化时区之前，使用的是地方平均时间，这在不同地点之间存在差异。这种不一致性造成了混乱，尤其是对依赖准确时间管理的旅行者和商人而言。在19世纪末引入标准子午线的概念标志着社会组织日常生活和互动方式的转折点。此外，标准子午线在航空、通信甚至互联网连接等多个领域也有影响。例如，航空公司在安排航班和协调到达与出发时必须考虑时区。同样，跨多个国家运营的企业依赖于标准子午线来高效地安排会议和管理操作。除了实际应用外，标准子午线还有文化意义。不同地区可能对时间有独特的理解，受到当地习俗和实践的影响。例如，一些文化对守时的重视程度高于其他文化，这可能导致国际互动中的误解。认识到标准子午线在塑造这些观念中的作用，可以促进更好的跨文化沟通与合作。总之，标准子午线是一个基本概念，支撑着我们对时间和地理的理解。它提供了组织时区的框架，促进全球互动和增强沟通。随着我们的世界不断演变，标准子午线的重要性仍然非常相关，提醒我们在这个广阔而多样的星球上将我们联系在一起的复杂关系。通过欣赏标准子午线的作用，我们不仅可以导航物理景观，还可以驾驭定义我们存在的复杂人际关系网络。