concaveness
简明释义
英[kənˈkeɪv.nəs]美[kənˈkeɪv.nəs]
拱形
凹面物
英英释义
The quality or state of being concave; the curvature that is hollowed inward. | 凹面的性质或状态;向内弯曲的曲率。 |
单词用法
曲线的凹度 | |
测量凹度 | |
表面的凹度 | |
几何学中的凹度 |
同义词
曲率 | 镜头的曲率影响图像的焦点。 | ||
凹陷 | 地面的凹陷积聚了雨水。 | ||
压痕 | The indentation on the surface indicates where it was pressed. | 表面的压痕表明了被压迫的位置。 |
反义词
凸性 | The convexity of the lens allows it to focus light effectively. | 透镜的凸性使其能够有效聚焦光线。 | |
隆起 | The bulging surface of the balloon was a sign that it was overinflated. | 气球的隆起表面是其过度充气的迹象。 |
例句
1.For PCWs with different degrees of concaveness, the power reaches about 80% at different focusing points when the morphology of the concave surface is optimized.
通过对褶皱表面的形貌优化,我们得到了不同曲率半径的高质量光子晶体波导聚焦器件,聚焦能量达到80%以上。
2.For PCWs with different degrees of concaveness, the power reaches about 80% at different focusing points when the morphology of the concave surface is optimized.
通过对褶皱表面的形貌优化,我们得到了不同曲率半径的高质量光子晶体波导聚焦器件,聚焦能量达到80%以上。
3.The engineer measured the concaveness of the bridge to ensure stability.
工程师测量了桥的凹面度以确保稳定性。
4.The concaveness of the bowl allows for better mixing of ingredients.
碗的凹面度有助于更好地混合成分。
5.A high degree of concaveness in the surface can enhance grip for athletes.
表面的高凹面度可以增强运动员的抓地力。
6.In architecture, the concaveness of a dome can create unique acoustic properties.
在建筑学中,圆顶的凹面度可以产生独特的声学特性。
7.The concaveness of the lens affects how it focuses light.
镜头的凹面度影响它如何聚焦光线。
作文
The concept of concaveness is often encountered in various fields, including mathematics, physics, and even art. Understanding concaveness can enhance our comprehension of shapes, structures, and their properties. In mathematics, concaveness refers to the curvature of a function or a geometric figure. A shape is said to be concave if it curves inward, resembling a bowl or a cave. This property is crucial when analyzing graphs and functions, particularly in calculus where we assess the behavior of functions over intervals. For instance, a function that is concave down indicates that its second derivative is negative, which implies that the function is decreasing at an increasing rate. In physics, the principle of concaveness plays a significant role in understanding forces and motion. When analyzing the trajectory of a projectile, the path it takes can exhibit concave characteristics depending on the forces acting upon it. A projectile under the influence of gravity follows a parabolic path, which can be described as concave. This knowledge helps engineers design better structures, such as bridges and buildings, ensuring they can withstand various forces without collapsing.Moreover, concaveness is not limited to scientific applications; it also finds its place in the realm of art and design. Artists often utilize the principles of concavity to create depth and perspective in their works. By manipulating concaveness, artists can lead the viewer's eye into the painting, creating an illusion of three-dimensionality. This technique is essential in both traditional and digital art forms, where understanding how light and shadow interact with concave surfaces can dramatically alter the perception of an artwork.In everyday life, we encounter concaveness in various objects around us. For example, a bowl is a classic representation of a concave shape, designed to hold liquids or food. The concaveness of the bowl allows it to serve its purpose effectively, demonstrating how this geometric property is not only theoretical but also practical. Similarly, many architectural designs incorporate concave elements, enhancing both aesthetics and functionality.In conclusion, the understanding of concaveness extends beyond academic definitions; it influences multiple aspects of our lives. From mathematical functions to physical phenomena and artistic creations, concaveness serves as a fundamental concept that enriches our understanding of the world around us. By recognizing and applying the principles of concaveness, we can improve our analytical skills and creative expressions, ultimately leading to a deeper appreciation of the intricate designs present in nature and human-made structures.
“凹性”这个概念常常出现在数学、物理甚至艺术等多个领域。理解“凹性”可以增强我们对形状、结构及其属性的理解。在数学中,“凹性”指的是函数或几何图形的曲率。当一个形状向内弯曲,像碗或洞穴时,我们称其为凹形。这一特性在分析图形和函数时至关重要,特别是在微积分中,我们评估函数在区间上的行为。例如,一个向下凹的函数表明其二次导数为负,这意味着该函数以递增的速度减少。在物理学中,“凹性”原理在理解力和运动方面发挥着重要作用。在分析抛射物的轨迹时,其路径可能会表现出凹的特征,这取决于作用于它的力。受到重力影响的抛射物遵循一条抛物线轨迹,可以用凹形来描述。这一知识帮助工程师设计更好的结构,如桥梁和建筑物,确保它们能够承受各种力量而不倒塌。此外,“凹性”不仅限于科学应用,它也在艺术和设计领域占有一席之地。艺术家常常利用凹性的原理在作品中创造深度和透视感。通过操控“凹性”,艺术家可以引导观众的视线进入画作,创造出三维的错觉。这一技巧在传统和数字艺术形式中都是必不可少的,理解光与影如何与凹面相互作用可以极大地改变观众对艺术作品的感知。在日常生活中,我们在周围的各种物体中都会遇到“凹性”。例如,碗就是一个经典的凹形物体,设计用于盛放液体或食物。碗的“凹性”使其能够有效地发挥作用,展示了这一几何特性不仅仅是理论,而是实用的。同样,许多建筑设计也融入了凹形元素,增强了美学和功能性。总之,对“凹性”的理解超越了学术定义;它影响着我们生活的多个方面。从数学函数到物理现象,再到艺术创作,“凹性”作为一个基本概念,丰富了我们对周围世界的理解。通过认识和应用“凹性”的原理,我们可以提高分析能力和创造力,最终加深对自然界和人造结构中复杂设计的欣赏。