facula

简明释义

英[ˈfækjʊlə]美[ˈfækjʊlə]

n. （太阳光球上的）光斑（复数 faculae）；摆白斑

复 数 f a c u l a e

英英释义

单词用法

同义词

反义词

例句

1.To discuss the clinical opportunity and the facula establishment of argon laser treatment on retinal vein occlusion.

探讨氩激光光凝治疗视网膜静脉阻塞的临床时机和光斑设置。

2.The facula was reduced three times and focalized on samples, the optical system was restored and focalized to a receiver, and the energy usage ratio can be calculated and analyzed.

将光斑缩小三倍聚焦到样品上，把光路还原聚焦到接收器上，对能量利用率进行了分析计算。

3.The first one refers to data transference, digital image precession and the facula figuration.

光斑图像处理涉及到采集卡数据传输、数字图像处理、光斑外形截取等方面内容；

4.The core technique consists in three areas, the facula image manipulation, the design of facula parameter and the technique of Auto-Focus.

它的技术核心在于光斑图像处理、光斑参数设计和自动聚焦技术。

5.The tracking precision is got by measuring the far-field facula posit.

通过测量回馈光远场光斑的位置变化可以得到端机的跟瞄精度。

6.As a kind of laser-positioning system, the system collects the facula image by CMOS image Sensor. And the precise position of the facula can be worked out with center of gravity method.

作为一种激光定位系统，该系统采用光斑定位技术，以CMOS图像传感器作为光斑定位器件并用重心法求光斑位置。

7.The astronomer pointed out the bright spot on the sun's surface, identifying it as a facula.

天文学家指出太阳表面上的亮点，认定它是一个光斑。

8.During the solar eclipse, we could see several faculae around the edges of the sun.

在日食期间，我们可以看到太阳边缘周围有几个光斑。

9.The presence of faculae indicates areas of intense magnetic activity on the sun.

存在光斑表明太阳上有强烈的磁活动区域。

10.Scientists study faculae to better understand solar phenomena.

科学家研究光斑以更好地理解太阳现象。

11.A facula can be seen clearly in high-resolution images of the sun.

在高分辨率的太阳图像中，可以清楚地看到一个光斑。

作文

In the vast expanse of our solar system, the sun stands as a beacon of light and energy. Among its many features, one that particularly intrigues astronomers is the presence of bright spots known as facula. These facula are regions on the sun's surface that appear brighter than their surroundings, often found near sunspots. They are significant not only for their aesthetic beauty but also for the insights they provide into solar dynamics and behavior. The term facula originates from the Latin word 'facula', meaning 'a little torch' or 'a small bright spot'. This etymology reflects the nature of these bright areas, which can illuminate our understanding of solar phenomena. Facula are typically composed of hotter plasma compared to the cooler areas around them, making them a fascinating subject of study for solar physicists. Understanding facula is crucial for several reasons. Firstly, they are often associated with increased solar activity, which can affect space weather and, consequently, satellite operations and communication systems on Earth. The brightness of facula can indicate the presence of strong magnetic fields, which play a vital role in the solar cycle. As the sun goes through its approximately eleven-year cycle of activity, the number and intensity of facula fluctuate, providing clues about the sun's behavior and its impact on our planet. Moreover, studying facula helps scientists understand the mechanisms behind solar flares and coronal mass ejections (CMEs). These explosive events can release vast amounts of energy and charged particles into space, potentially disrupting technology on Earth and posing risks to astronauts in space. By monitoring facula, researchers can gain insights into when such disruptive events might occur, allowing for better preparedness and mitigation strategies. In addition to their scientific significance, facula also hold cultural importance. Throughout history, various civilizations have observed the sun and its phenomena, attributing them to divine messages or omens. The bright spots on the sun captured the imagination of ancient astronomers, who sought to understand their meaning and influence on earthly events. Today, while we have advanced scientific tools to study these phenomena, the sense of wonder remains. Furthermore, the study of facula contributes to our understanding of stellar evolution. By comparing the sun's facula with those of other stars, astronomers can infer information about the life cycles of stars and the processes that govern their development. This comparative analysis is essential for building a comprehensive picture of the universe and our place within it. In conclusion, the facula on the sun are more than just bright spots; they are windows into the complex processes that govern our star and, by extension, our solar system. Their study not only enhances our understanding of solar physics but also connects us to the rich tapestry of human history and culture. As we continue to explore the mysteries of the universe, facula will undoubtedly remain a focal point of research and fascination for generations to come.

在我们太阳系的广阔空间中，太阳作为光和能量的灯塔，拥有许多特征。其中一个特别吸引天文学家的特点是被称为明亮斑点的区域，称为facula。这些facula是太阳表面上看起来比周围区域更亮的区域，通常出现在日斑附近。它们不仅因其美学魅力而重要，还因为它们提供了对太阳动态和行为的深入见解。 术语facula源于拉丁词“facula”，意为“小火炬”或“小亮点”。这个词源反映了这些明亮区域的性质，它们能够照亮我们对太阳现象的理解。Facula通常由比周围区域更热的等离子体组成，使它们成为太阳物理学家研究的迷人主题。 理解facula至关重要，原因有几个。首先，它们通常与增加的太阳活动有关，这可能会影响太空天气，从而影响地球上的卫星操作和通信系统。Facula的亮度可以指示强磁场的存在，这在太阳周期中发挥着至关重要的作用。随着太阳经历大约11年的活动周期，facula的数量和强度波动，为太阳的行为及其对我们星球的影响提供线索。 此外，研究facula有助于科学家理解太阳耀斑和日冕物质抛射（CME）背后的机制。这些爆炸性事件可以向太空释放大量能量和带电粒子，可能会干扰地球上的技术并对太空中的宇航员构成风险。通过监测facula，研究人员可以获得关于何时可能发生这些破坏性事件的见解，从而允许更好的准备和缓解策略。 除了科学意义外，facula还具有文化重要性。在历史上，各个文明观察太阳及其现象，将其归因于神圣的消息或预兆。太阳上的明亮斑点吸引了古代天文学家的想象，他们试图理解它们的含义及对地球事件的影响。今天，尽管我们有先进的科学工具来研究这些现象，但对未知的敬畏感依然存在。 此外，对facula的研究有助于我们理解恒星演化。通过将太阳的facula与其他恒星进行比较，天文学家可以推断出有关恒星生命周期和支配其发展的过程的信息。这种比较分析对于建立宇宙的全面图景以及我们在其中的位置至关重要。 总之，太阳上的facula不仅仅是明亮的斑点；它们是我们星星及其延伸到我们太阳系的复杂过程的窗口。它们的研究不仅增强了我们对太阳物理学的理解，还将我们与丰富的人类历史和文化联系在一起。在我们继续探索宇宙的奥秘时，facula无疑将继续成为未来几代研究和迷恋的焦点。