level line

简明释义

水准线

英英释义

例句

1.The surveyor marked a level line across the land to indicate the property boundary.

测量员在土地上标记了一条水平线以指示财产边界。

2.The architect drew a level line to ensure the building's foundation was even.

建筑师画了一条水平线以确保建筑的基础是平坦的。

3.To hang the picture frame straight, I used a level line as a guide.

为了让画框挂得笔直，我用了一条水平线作为指南。

4.When installing shelves, it's crucial to use a level line for proper alignment.

安装架子时，使用水平线进行正确对齐是至关重要的。

5.In carpentry, establishing a level line is essential for building furniture.

在木工中，建立一条水平线对于制作家具至关重要。

作文

In geometry and various fields of science, the concept of a level line (水平线) is crucial for understanding the properties of shapes and the relationships between different points in space. A level line can be defined as a straight line that maintains a constant elevation above a reference point, typically sea level. This concept is not only limited to theoretical studies but also finds practical applications in everyday life, such as in construction, navigation, and surveying.When constructing a building, architects and engineers must ensure that the foundation is laid on a perfectly level line (水平线). This is vital because an uneven foundation can lead to structural issues down the road. If one side of the building is higher than the other, it may cause stress on the materials, leading to cracks and potential collapse. Therefore, before any construction begins, professionals use tools like laser levels or water levels to establish a level line (水平线) that will serve as a guide throughout the building process.In surveying, the determination of a level line (水平线) is essential for mapping and land division. Surveyors often utilize the concept of a level line to create accurate topographical maps, which depict the elevations and depressions of the land. By establishing a baseline level line (水平线), surveyors can measure the height of various points relative to this line, allowing for an understanding of the terrain's features and how they might affect development or agriculture.Navigation also relies heavily on the idea of a level line (水平线). When sailors navigate the seas, they often refer to charts that indicate depth and elevation. The horizon can be considered a natural level line (水平线), as it represents the boundary where the earth meets the sky at an equal elevation. Understanding how to read these charts and recognize the importance of maintaining a level line (水平线) is essential for safe and effective navigation.Moreover, in the field of physics, the level line (水平线) plays a significant role in understanding equilibrium and balance. For instance, when analyzing forces acting on an object, a level line can help determine whether the object is in a state of rest or motion. If the forces acting upon it are balanced along a level line (水平线), the object remains stationary. Conversely, if there is a tilt or deviation from this line, it indicates that there are unbalanced forces at play, leading to movement.In conclusion, the concept of a level line (水平线) is foundational across various disciplines, including architecture, surveying, navigation, and physics. Its significance lies in providing a reference point that ensures stability, accuracy, and balance in both theoretical applications and practical scenarios. Understanding and applying the principles of a level line (水平线) is essential for anyone involved in these fields, as it directly impacts the success of their projects and endeavors.