pinhole

简明释义

英[ˈpɪnhəʊl]美[ˈpɪnhoʊl]

n. 针孔；小孔

复 数 p i n h o l e s

英英释义

单词用法

同义词

反义词

例句

1.Needle match with pinhole, liquid injected was irrigated from another pinhole successfully.

小儿头皮静脉针与钻孔匹配，注入液体从另一引流孔顺利引流。

2.The calomel electrode has a small pinhole opening or wick.

甘汞电板上有一个针孔或砂芯。

3.A new pinhole-focusing scheme using referenced defocus signal is applied to an automatic subsystem for laser direct writing.

一种新的采用基准离焦信号的针孔调焦方案，用于激光直写的自动对焦子系统。

4.Pinhole free film. A surface free from any defects.

无针孔的涂膜，没有表面缺陷的表面。

5.Then give two feasible method, eccentricity beam method and double pinhole method.

为此我们提出两种实现方法，偏心光束法和针孔调焦法。

6.Pinhole lens , Button lens, screw lens optional.

针孔镜头，纽扣镜头，螺丝镜头可选。

7.The camera uses a pinhole 小孔 to capture images without a lens.

这台相机使用一个小孔来无镜头拍摄图像。

8.You can create a simple projector with a box and a pinhole 小孔.

你可以用一个盒子和一个小孔制作一个简单的投影仪。

9.The pinhole 小孔 allows light to enter, creating a blurred image.

这个小孔允许光线进入，形成模糊的图像。

10.In physics experiments, we often use a pinhole 小孔 to demonstrate light behavior.

在物理实验中，我们经常使用一个小孔来演示光的行为。

11.The pinhole 小孔 technique is popular in DIY photography.

这种小孔技术在DIY摄影中很受欢迎。

作文

The concept of a pinhole is fascinating and serves as an excellent example of how simple ideas can lead to profound discoveries. A pinhole is essentially a tiny opening, often just a few millimeters in diameter, that allows light to pass through. This seemingly insignificant feature has been utilized in various fields, most notably in photography and optics. The pinhole camera is one of the simplest forms of camera, consisting of a light-tight box with a small pinhole on one side. When light passes through this pinhole, it projects an inverted image of the outside scene onto the opposite side of the box, where a photosensitive material can capture the image. The beauty of the pinhole camera lies in its ability to create images without the need for complex lenses. This simplicity not only makes it accessible for amateur photographers but also allows for a unique aesthetic in the photographs produced. Images taken with a pinhole camera often exhibit a soft focus and a wide depth of field, which can evoke a sense of nostalgia and artistic expression. In addition to photography, the principles of the pinhole effect can be observed in various scientific applications. For instance, in the field of astronomy, astronomers utilize pinhole apertures to study distant celestial bodies. By creating a pinhole in a barrier, they can filter out unwanted light and focus on specific wavelengths, allowing for clearer observations of stars and planets. This technique demonstrates how a simple pinhole can enhance our understanding of the universe. Furthermore, the pinhole principle extends into the realm of education and experimentation. Students often engage in pinhole experiments to grasp the fundamentals of light and optics. By constructing their own pinhole cameras, learners can observe firsthand how light behaves when it passes through a small opening. This hands-on experience fosters curiosity and encourages a deeper exploration of scientific concepts. Moreover, pinhole technology has made its way into modern innovations, such as pinhole imaging systems used in medical applications. These systems utilize pinhole optics to produce high-resolution images for diagnostic purposes, showcasing the versatility and importance of this simple concept. In conclusion, the pinhole is more than just a small opening; it represents a gateway to creativity, scientific inquiry, and technological advancement. Whether in the form of a pinhole camera capturing moments in time or as a tool for exploring the cosmos, the pinhole serves as a reminder that sometimes the most profound insights come from the simplest of ideas. As we continue to explore and innovate, the humble pinhole will undoubtedly remain a significant element in both art and science.

“pinhole”这个概念令人着迷，并且是一个简单的思想如何导致深刻发现的绝佳例子。pinhole基本上是一个微小的开口，直径通常只有几毫米，允许光线通过。这个看似微不足道的特征在多个领域中得到了应用，尤其是在摄影和光学中。pinhole相机是最简单的相机形式之一，由一个不透光的盒子和一侧的小pinhole组成。当光线通过这个pinhole时，它将外部场景的倒像投射到盒子的另一侧，那里有感光材料可以捕捉图像。 pinhole相机的美在于它能够在不需要复杂镜头的情况下创建图像。这种简单性不仅使其对业余摄影师可及，还允许所拍摄的照片具有独特的美学。使用pinhole相机拍摄的图像通常表现出柔和的焦点和宽广的景深，这可以唤起怀旧感和艺术表现。 除了摄影，pinhole效应的原理还可以在各种科学应用中观察到。例如，在天文学领域，天文学家利用pinhole孔径来研究遥远的天体。通过在屏障上创建一个pinhole，他们可以过滤掉不必要的光线，专注于特定波长，从而更清晰地观察星星和行星。这一技术展示了一个简单的pinhole如何增强我们对宇宙的理解。 此外，pinhole原理还扩展到教育和实验的领域。学生们常常参与pinhole实验，以掌握光和光学的基础知识。通过构建自己的pinhole相机，学习者可以亲身观察光通过小开口时的行为。这种动手体验培养了好奇心，并鼓励更深入地探索科学概念。 此外，pinhole技术已经进入现代创新，如在医疗应用中使用的pinhole成像系统。这些系统利用pinhole光学产生高分辨率图像用于诊断目的，展示了这一简单概念的多功能性和重要性。 总之，pinhole不仅仅是一个小开口；它代表着创造力、科学探究和技术进步的一个入口。无论是作为捕捉时间瞬间的pinhole相机，还是作为探索宇宙的工具，pinhole都提醒我们，有时最深刻的见解来自最简单的想法。随着我们继续探索和创新，谦逊的pinhole无疑将在艺术和科学中保持重要地位。