radii

简明释义

[ˈreɪdiaɪ][ˈreɪdiaɪ]

n. 半径(radius 的复数)

英英释义

The plural form of radius, referring to the distance from the center of a circle or sphere to any point on its circumference or surface.

radius的复数形式,指从圆或球的中心到其周边或表面上任意一点的距离。

单词用法

curvature radius

曲率半径

radius compensation

半径补偿;径差补偿

同义词

radius

半径

The radius of a circle is the distance from its center to any point on the circle.

圆的半径是从圆心到圆上任意一点的距离。

ray

射线

In geometry, a ray is a part of a line that starts at a point and extends infinitely in one direction.

在几何学中,射线是从一个点开始并无限延伸到一个方向的线的一部分。

反义词

point

A point has no dimensions.

一个点没有维度。

center

中心

The center of a circle is equidistant from all points on the circumference.

圆的中心与圆周上的所有点等距。

例句

1.Data calculated by this method is exact, which show that the method is suit to the calculation of energy variation and critical radii.

根据这一计算方法能得到较为准确的数据,说明了本方法能较好地计算出水合物生成的能量变化和临界半径。

2.They have very different masses, same radii, same length.

它们材料不同,半径相同,长度相同。

3.The influence of groove fillet radii of vertical rolls on cropping and margin deformation of slab were analyzed.

分析了立辊孔型内倒角半径对轧件切头尾量、轧件稳定段轧件边部变形程度的影响。

4.Radii stop converging as they approach the event horizon, are parallel at the horizon, and begin diverging in the interior.

当它们接近活动视界时候半径阻止了收缩,是与视界平行,而开始在内部分叉。

5.Railway transport equipment. cold folding radii for flat products. common requirements.

铁路运输设备。扁平轧材的冷弯半径。一般要求。

6.They get stuck at these radii, because if they go in either direction, they'll migrate right back.

它们就被堵住在这些半径上,因为如果它们走向任何一个方向,就会被拉回到原来的位置。

7.It is now necessary to introduce a sign convention for radii of curvature.

现在必须介绍曲率半径的正负号规则。

8.The artist used different radii to create a visually appealing design.

艺术家使用了不同的半径来创造一个视觉上吸引人的设计。

9.The formula for the circumference of a circle involves its radii.

圆的周长公式涉及到其半径

10.To calculate the area of a circle, you need to know its radii.

要计算一个圆的面积,你需要知道它的半径

11.In geometry, the radii of concentric circles are measured from the center.

在几何学中,同心圆的半径是从中心测量的。

12.The circles have different radii, which determine their sizes.

这些圆的半径不同,决定了它们的大小。

作文

In the world of geometry, understanding shapes and their properties is essential for solving various mathematical problems. One fundamental concept is that of a circle, which is defined as a set of points equidistant from a central point known as the center. The distance from the center to any point on the circle is called the radius. When we talk about multiple circles or the same circle in different contexts, we often refer to their radii (半径) to describe the distances from the center to the edge. The term radii (半径) is the plural form of radius and is used when discussing more than one radius simultaneously. For instance, in a scenario where we have several circles with varying sizes, each circle will have its own radius (半径), but collectively, they can be referred to as radii (半径). This distinction becomes particularly important in fields such as engineering and architecture, where precise measurements are crucial. To illustrate the application of radii (半径), consider a practical example involving circular objects. Imagine a design project where an architect is tasked with creating a park that features a series of fountains, each shaped like a circle. The architect must determine the optimal size for each fountain, which requires measuring the radii (半径) of the proposed designs. By analyzing the radii (半径), the architect can ensure that the fountains fit harmoniously within the park's layout while also considering factors such as space and aesthetics. Moreover, in mathematics, the concept of radii (半径) plays a vital role in calculations related to area and circumference. The formula for the area of a circle is A = πr², where r represents the radius (半径). When calculating the area of multiple circles, knowing the radii (半径) allows mathematicians to compute the total area efficiently. Similarly, the circumference of a circle is given by the formula C = 2πr, highlighting how the radius (半径) directly influences both the area and the perimeter of circular shapes. Furthermore, the concept of radii (半径) extends beyond simple geometry. In physics, for example, the radii (半径) of rotating bodies can affect their angular momentum and stability. Understanding the radii (半径) of these objects is crucial for engineers designing machinery or vehicles, as it impacts performance and safety. In conclusion, the term radii (半径) is not just a mathematical term; it has real-world applications across various fields. Whether in architecture, mathematics, or physics, grasping the significance of radii (半径) enhances our understanding of shapes and their properties. As we continue to explore the intricacies of geometry and its applications, the concept of radii (半径) will undoubtedly remain a cornerstone of our studies. By mastering this term, students and professionals alike can better appreciate the beauty and complexity of the world around them.

在几何学的世界中,理解形状及其属性对于解决各种数学问题至关重要。一个基本概念是圆,它被定义为一组与中心点等距的点,中心点称为圆心。从圆心到圆上任何一点的距离称为半径。当我们谈论多个圆或在不同上下文中相同的圆时,我们通常会提到它们的radii(半径)来描述从中心到边缘的距离。术语radii(半径)是半径的复数形式,用于同时讨论多个半径。例如,在一个场景中,我们有几个不同大小的圆,每个圆都有自己的radius(半径),但总的来说,它们可以被称为radii(半径)。这种区分在工程和建筑等领域变得特别重要,因为精确的测量至关重要。为了说明radii(半径)的应用,考虑一个涉及圆形物体的实际例子。想象一下,一个建筑师被委托设计一个公园,其中设有一系列喷泉,每个喷泉呈圆形。建筑师必须确定每个喷泉的最佳大小,这需要测量提议设计的radii(半径)。通过分析radii(半径),建筑师可以确保喷泉在公园布局中和谐地融入,同时考虑空间和美学等因素。此外,在数学中,radii(半径)这一概念在与面积和周长相关的计算中发挥着重要作用。圆的面积公式为A = πr²,其中r代表radius(半径)。在计算多个圆的面积时,了解radii(半径)可以有效地计算总面积。同样,圆的周长由公式C = 2πr给出,突显了radius(半径)如何直接影响圆形的面积和周长。此外,radii(半径)的概念超越了简单的几何学。在物理学中,例如,旋转物体的radii(半径)可能会影响其角动量和稳定性。了解这些物体的radii(半径)对工程师设计机械或车辆至关重要,因为它影响性能和安全性。总之,术语radii(半径)不仅仅是一个数学术语;它在各个领域都有现实世界的应用。无论是在建筑、数学还是物理学中,掌握radii(半径)的重要性增强了我们对形状及其属性的理解。随着我们继续探索几何学及其应用的复杂性,radii(半径)的概念无疑将继续成为我们学习的基石。通过掌握这个术语,学生和专业人士都可以更好地欣赏我们周围世界的美丽和复杂性。