pinholes

简明释义

英[ˈpɪn.hoʊlz]美[ˈpɪnˌhoʊlz]

n. [电子]针孔；[纺][冶]小孔（pinhole 的复数）；梢孔；气孔

英英释义

单词用法

同义词

反义词

例句

1.Surface pinholes caused by gas formed at the mould surface.

因钢锭模表面生成气体而形成的表面针孔。

2.It was found in experiments that the particle polishing could eliminate the passive effect of hydrogen evolution and nickel deposits electroformed without pinholes and pits could be achieved by APEF.

试验发现，游离粒子磨擦能彻底消除析氢的不利影响，利用磨擦辅助精密电铸技术能够制造出没有任何麻点、针孔等缺陷的镍电铸层。

3.In place of the light sensors that would be engineered into a production version, Dr Raskar USES a diffuser placed behind the screen, upon which the tiny images from the individual pinholes are cast.

Raskar博士在屏幕后方放置了一块散射器，以取代将来生产版本中的光学传感器。

4.In this paper, the formation mechanism of pinholes in gray and ductile iron and the factors influencing their formation are discussed as well as a preventive measure is suggested.

本文从理论上分析了针孔形成的机理，讨论了影响灰铁及球铁件针孔形成的各种因素，并指出了防止针孔形成的工艺措施。

5.A photon sieve can be composed of a large number of circular pinholes. Each circular pinhole has a contribution to the focusing.

光子筛是一种由大量小孔构成的衍射元件，其上面的每个小孔对聚焦都有贡献。

6.He said he figured the rainwater had settled in the pinholes, where wooden dowels held the joints together.

他说，估计是雨水渗进了木钉孔里，而正是这些木榫钉使它们结合在一起的。

7.The artist used pinholes to project images onto the canvas for her painting.

艺术家使用针孔将图像投射到画布上进行绘画。

8.He repaired the tire by sealing the pinholes with a special adhesive.

他用特殊粘合剂修补了轮胎上的针孔。

9.To create a pinhole camera, you need to make a small hole, or pinholes, in a cardboard box.

要制作一个针孔相机，你需要在纸箱上打一个小孔或多个针孔。

10.Tiny pinholes in the fabric allowed air to circulate, making the jacket breathable.

面料上的微小针孔允许空气流通，使夹克透气。

11.The photographer noticed several pinholes in the film that ruined his shots.

摄影师注意到胶卷上有几个针孔，这毁了他的照片。

作文

In the world of photography and optics, the term pinholes refers to tiny openings or apertures that allow light to pass through. These minuscule holes can be found in various contexts, from pinhole cameras to the natural phenomena of light entering a dark room through a small crack. Understanding the concept of pinholes is essential for photographers and artists alike, as it plays a significant role in how images are captured and perceived.A pinhole camera is one of the simplest forms of a camera, consisting of a light-tight box with a small hole on one side. When light passes through this pinhole, it projects an inverted image on the opposite side of the box. This principle is based on the way light travels in straight lines, and it demonstrates how pinholes can create images without the need for complex lenses. The beauty of a pinhole camera lies in its simplicity and the unique aesthetic that it produces. Images taken with a pinhole camera often have a soft focus and a dreamlike quality, which many photographers find appealing.Moreover, pinholes are not limited to photography; they also appear in scientific experiments and engineering applications. For instance, in physics, pinholes are used in experiments to study the behavior of light and particles. By directing light through a pinhole, scientists can observe diffraction patterns and gain insights into the wave properties of light. This has led to advancements in various fields, including optics, quantum mechanics, and even astronomy.On a more practical level, pinholes can also refer to defects or imperfections in materials, such as coatings or films. In manufacturing processes, the presence of pinholes can compromise the integrity of a product, leading to issues like corrosion or reduced effectiveness. Therefore, understanding and controlling the occurrence of pinholes in materials is crucial for quality assurance in industries ranging from electronics to pharmaceuticals.In conclusion, the term pinholes encompasses a wide range of meanings and applications across different fields. Whether in the realm of photography, science, or manufacturing, pinholes play a pivotal role in shaping our understanding of light and materials. As we continue to explore the intricacies of these tiny openings, we uncover new possibilities and innovations that enhance our creative and scientific endeavors. Embracing the concept of pinholes not only enriches our appreciation for art and technology but also encourages us to look closer at the details that make up our world.

在摄影和光学的世界中，术语pinholes指的是允许光线通过的小开口或孔。这些微小的孔可以在各种上下文中找到，从针孔相机到光线通过小裂缝进入黑暗房间的自然现象。理解pinholes的概念对于摄影师和艺术家来说至关重要，因为它在图像的捕捉和感知中发挥着重要作用。针孔相机是最简单的相机形式之一，由一个密封的盒子和一侧的小孔组成。当光线通过这个pinhole时，它会在盒子的另一侧投影出一个倒置的图像。这个原理基于光线沿直线传播的方式，展示了如何通过pinholes创建图像，而不需要复杂的镜头。针孔相机的美在于其简单性和所产生的独特美学。用针孔相机拍摄的图像通常具有柔和的焦点和梦幻般的质量，这让许多摄影师觉得很吸引人。此外，pinholes不仅限于摄影；它们还出现在科学实验和工程应用中。例如，在物理学中，pinholes用于研究光和粒子的行为。通过将光线引导通过一个pinhole，科学家可以观察衍射图样，并获得关于光的波动性质的见解。这促进了光学、量子力学甚至天文学等多个领域的进步。在更实用的层面上，pinholes也可以指材料中的缺陷或瑕疵，例如涂层或薄膜。在制造过程中，pinholes的存在可能会影响产品的完整性，导致腐蚀或有效性降低等问题。因此，理解和控制材料中pinholes的发生对于电子、制药等行业的质量保证至关重要。总之，术语pinholes涵盖了不同领域广泛的含义和应用。无论是在摄影、科学还是制造领域，pinholes在塑造我们对光和材料的理解中发挥着关键作用。随着我们继续探索这些微小开口的复杂性，我们发现了新的可能性和创新，增强了我们的创造性和科学追求。接受pinholes的概念不仅丰富了我们对艺术和技术的欣赏，还鼓励我们更仔细地观察构成我们世界的细节。