understratum

简明释义

英[ˌʌndəˈstrɑːtəm]美[ˌʌndərˈstretəm]

n. 底层

复 数 u n d e r s t r a t a 或 u n d e r s t r a t u m s

英英释义

单词用法

同义词

反义词

例句

1.For example, in the research of amalgamation problem between AIS and radar target, it can provide understratum chart platform.

如在AIS与雷达目标融合问题的研究中，可以提供底层海图平台。

2.For example, in the research of amalgamation problem between AIS and radar target, it can provide understratum chart platform.

如在AIS与雷达目标融合问题的研究中，可以提供底层海图平台。

3.The geologist studied the understratum to understand the rock formations beneath the surface.

地质学家研究了下层土壤以了解表面下的岩石构造。

4.Environmental scientists analyze the understratum to assess groundwater contamination.

环境科学家分析下层土壤以评估地下水污染。

5.The archaeologists discovered artifacts in the understratum that dated back thousands of years.

考古学家在下层土壤中发现了可以追溯到数千年前的文物。

6.In urban planning, the understratum of soil can greatly affect building foundations.

在城市规划中，土壤的下层会对建筑基础产生重大影响。

7.The understratum of the forest floor is rich in nutrients, supporting a diverse ecosystem.

森林地面的下层富含营养，支持着多样的生态系统。

作文

In the study of geology, the term understratum refers to the layer of material that lies beneath the surface layers of soil or rock. This concept is crucial for understanding the composition and structure of the Earth's crust. The understratum can significantly influence the types of vegetation that grow above it, as well as the hydrology of an area. For instance, in regions where the understratum consists of clay, the water retention capabilities are high, which can lead to lush plant growth. Conversely, a sandy understratum may result in poorer vegetation due to its inability to hold moisture effectively.Understanding the understratum is also essential for construction and urban planning. Engineers often conduct geological surveys to analyze the understratum before building structures. If the understratum is unstable or composed of materials that cannot support heavy loads, it can lead to significant engineering challenges. For example, a building constructed on a weak understratum may be at risk of settling or even collapsing over time. Therefore, knowledge of the understratum is vital for ensuring the safety and longevity of infrastructure.Moreover, the understratum plays a key role in the ecosystem. It serves as a habitat for various organisms, including insects and microorganisms, which contribute to the overall health of the soil. These organisms help decompose organic matter, recycle nutrients, and improve soil structure. Thus, protecting the understratum is essential for maintaining biodiversity and promoting sustainable land use practices.In agricultural practices, farmers must consider the characteristics of the understratum when choosing crops to plant. Certain plants thrive in specific soil conditions that are determined by the understratum. For example, root vegetables like carrots and potatoes prefer looser soils, while grains such as wheat may require a more compact understratum for stability and nutrient access. By understanding the understratum, farmers can optimize their crop yields and enhance food security.In conclusion, the concept of understratum extends beyond geology; it is intertwined with ecology, engineering, and agriculture. Recognizing the importance of this foundational layer helps us appreciate the complexity of natural systems and the necessity for informed decision-making in land management. As we face challenges such as climate change and urbanization, understanding the understratum will become increasingly important for sustainable development and environmental conservation.

在地质学研究中，术语understratum指的是位于土壤或岩石表层之下的物质层。这一概念对于理解地球地壳的组成和结构至关重要。understratum可以显著影响生长在其上的植被类型以及一个地区的水文特征。例如，在understratum由粘土组成的地区，水分保持能力较强，这可能导致丰富的植物生长。相反，沙质understratum由于无法有效保留水分，可能导致植被较差。了解understratum对于建筑和城市规划也至关重要。工程师通常会进行地质勘查，以分析understratum，以便在建造结构之前。如果understratum不稳定或由无法支撑重负荷的材料组成，可能会导致重大工程挑战。例如，建在弱understratum上的建筑物可能面临沉降甚至倒塌的风险。因此，了解understratum对于确保基础设施的安全性和耐久性至关重要。此外，understratum在生态系统中也发挥着关键作用。它为包括昆虫和微生物在内的各种生物提供栖息地，这些生物有助于土壤的整体健康。这些生物帮助分解有机物、循环养分并改善土壤结构。因此，保护understratum对于维护生物多样性和促进可持续土地利用实践至关重要。在农业实践中，农民必须考虑understratum的特征，以选择种植的作物。某些植物在特定的土壤条件下生长良好，而这些条件是由understratum决定的。例如，像胡萝卜和土豆这样的根茎类蔬菜更喜欢松散的土壤，而小麦等谷物可能需要更紧实的understratum以获得稳定性和营养供给。通过了解understratum，农民可以优化作物产量，增强粮食安全。总之，understratum的概念不仅限于地质学；它与生态学、工程学和农业密切相关。认识到这一基础层的重要性，有助于我们欣赏自然系统的复杂性，以及在土地管理中做出明智决策的必要性。随着气候变化和城市化等挑战的出现，理解understratum将变得越来越重要，以实现可持续发展和环境保护。