planimeter

简明释义

英[plæˈnɪmɪtə(r)]美[pləˈnɪmətər]

n. 测面器；[测] 求积仪

英英释义

单词用法

同义词

反义词

例句

1.This is called a planimeter. And what it does is it measures areas.

它叫测面器，它能够测量面积。

2.In traditional reservoir capacity calculation, a planimeter is used to obtain a reservoir capacity from topographic maps and large scale topographic maps are needed if high accuracy is required.

传统的库容计算方法是在已有的地形图上采用求积仪法进行，当精度要求较高时，需到现场实测更大比例尺的地形图。

3.The surface ratio of conus to disc was calculated using a planimeter.

我们使用面积计测量圆锥与视神经盘表面比值。

4.This paper presents an universal formula of assign m in the digital planimeter.

提出一个数字求积仪安置值m的通用公式。

5.Graph paper, parallel, and planimeter methods are current tools for acreage calculation.

目前常用的量算面积方法有方格纸法、平行线法、求积仪法。

6.In traditional reservoir capacity calculation, a planimeter is used to obtain a reservoir capacity from topographic maps and large scale topographic maps are needed if high accuracy is required.

传统的库容计算方法是在已有的地形图上采用求积仪法进行，当精度要求较高时，需到现场实测更大比例尺的地形图。

7.To calculate the area of the irregular plot of land, we used a planimeter.

为了计算不规则地块的面积，我们使用了一个测图仪。

8.The student learned how to use a planimeter for his geography project.

学生学习如何使用测图仪来完成他的地理项目。

9.The engineer demonstrated how to operate the planimeter during the workshop.

工程师在研讨会上演示了如何操作测图仪。

10.In cartography, a planimeter is essential for measuring the area of maps accurately.

在制图学中，测图仪对于准确测量地图的面积至关重要。

11.Using a planimeter can significantly reduce the time spent on area calculations.

使用测图仪可以显著减少进行面积计算所花费的时间。

作文

In the world of mathematics and engineering, precise measurements are crucial for a variety of applications. One tool that has been invaluable in this regard is the planimeter. A planimeter is an instrument used to measure the area of a two-dimensional shape by tracing its perimeter. This device has been particularly useful in fields such as cartography, architecture, and even in some branches of biology where accurate area measurements are necessary. The principle behind the planimeter is quite simple yet effective. When the user moves the tracing arm around the boundary of a shape, the device calculates the area enclosed within that boundary based on the movement of the arm. This allows for quick and accurate area calculations without the need for complex mathematical formulas or extensive computations.Historically, the planimeter has undergone significant evolution. The earliest versions were purely mechanical devices, often made of wood or metal, which required a skilled hand to operate effectively. As technology advanced, electronic planimeters emerged, incorporating digital displays and automated calculations that simplified the process further. Today, we also see software-based alternatives that can perform similar functions using digital images, making the planimeter more accessible than ever.The applications of a planimeter are vast and varied. In cartography, for instance, it is used to determine the area of land parcels on maps, which is essential for urban planning and land management. Architects use planimeters to calculate the area of different sections of buildings during the design phase, ensuring that their plans meet zoning regulations and aesthetic goals. In biology, researchers may use planimeters to measure the area of leaves or other plant structures, helping them understand growth patterns and ecological relationships.Despite the rise of digital technologies and software solutions, the planimeter remains a relevant and respected tool in various fields. Its simplicity, reliability, and accuracy make it a preferred choice for many professionals. Furthermore, learning how to use a planimeter provides valuable skills in spatial reasoning and measurement that are applicable in numerous disciplines.In conclusion, the planimeter is more than just a measuring tool; it is a bridge between theoretical mathematics and practical application. Understanding how to utilize a planimeter not only enhances one’s ability to perform precise area calculations but also fosters a deeper appreciation for the intricacies of geometry and measurement. As we continue to advance technologically, it is important to remember the foundational tools like the planimeter that have paved the way for modern innovations. Whether in the classroom, fieldwork, or professional settings, the planimeter will undoubtedly remain a valuable asset for those who seek to measure and understand the world around them.

在数学和工程的世界中，精确的测量对于各种应用至关重要。一个在这方面非常有价值的工具是计划仪。计划仪是一种用于通过描绘其周长来测量二维形状面积的仪器。这种设备在制图、建筑甚至某些生物学分支中都特别有用，因为这些领域需要准确的面积测量。计划仪背后的原理相当简单而有效。当用户将测量臂移动到形状的边界周围时，设备根据臂的运动计算出该边界内所包围的面积。这使得快速且准确地计算面积成为可能，而无需复杂的数学公式或大量的计算。历史上，计划仪经历了重大演变。最早的版本是纯机械设备，通常由木材或金属制成，需要熟练的手工操作才能有效使用。随着技术的发展，电子计划仪出现，结合了数字显示和自动计算，进一步简化了过程。今天，我们还看到基于软件的替代方案，可以使用数字图像执行类似的功能，使得计划仪变得比以往任何时候都更易于获取。计划仪的应用范围广泛而多样。在制图中，例如，它用于确定地图上土地块的面积，这对于城市规划和土地管理至关重要。建筑师使用计划仪在设计阶段计算建筑不同部分的面积，以确保他们的计划符合分区法规和美学目标。在生物学中，研究人员可能会使用计划仪测量叶子或其他植物结构的面积，帮助他们理解生长模式和生态关系。尽管数字技术和软件解决方案日益兴起，但计划仪仍然是各个领域中相关且受尊重的工具。它的简单性、可靠性和准确性使其成为许多专业人士的首选。此外，学习如何使用计划仪能够提供在空间推理和测量方面的宝贵技能，这些技能在许多学科中都是适用的。总之，计划仪不仅仅是一种测量工具；它是理论数学与实际应用之间的桥梁。理解如何使用计划仪不仅增强了人们进行精确面积计算的能力，还培养了对几何和测量复杂性的更深刻理解。随着我们技术的不断进步，重要的是要记住像计划仪这样的基础工具，它们为现代创新铺平了道路。无论是在课堂上、实地工作还是专业环境中，计划仪无疑将继续成为那些寻求测量和理解周围世界的人的宝贵资产。