annularity

简明释义

英[ˌænjʊˈlærɪti]美[ˌænjuˈlærəti]

n. 环形状态，环状

英英释义

单词用法

同义词

反义词

例句

1.An approach of mapped with bipolar coordinate and reduce noisy is used to normalize iris image in this paper, and annularity image with different centre is mapped onto bipolar coordinate efficiently.

本文介绍了一种用双极坐标映射和降噪的方法对虹膜图像进行归一化，可以有效的将不同心的环形图像映射到双极坐标系上。

2.The track it creates is called the path of annularity.

它产生的路径被称作环食带。

3.An approach of mapped with bipolar coordinate and reduce noisy is used to normalize iris image in this paper, and annularity image with different centre is mapped onto bipolar coordinate efficiently.

本文介绍了一种用双极坐标映射和降噪的方法对虹膜图像进行归一化，可以有效的将不同心的环形图像映射到双极坐标系上。

4.The longest duration of the annularity on China's territory would be 8 minutes and 17 seconds in Ruili, Yunan Province, Cheng said.

程卓称中国本土最长的日环食将在云南省瑞利发生，时长8分17秒。

5.The phenomenon of annularity 环形日食 occurs when the moon is too far from the Earth to completely cover the sun.

当月球距离地球太远而无法完全遮住太阳时，就会发生annularity 环形日食现象。

6.The total solar eclipse will showcase the maximum degree of annularity 环形日食 at noon.

这次日全食将在中午展现出最大程度的annularity 环形日食。

7.During the annularity 环形日食, the moon covers the center of the sun, leaving a ring of light.

在annularity 环形日食期间，月球覆盖了太阳的中心，只留下光环。

8.Astronomers are excited about the upcoming event where the annularity 环形日食 will be visible across several states.

天文学家们对即将到来的事件感到兴奋，届时annularity 环形日食将在多个州可见。

9.Photographers flock to areas with the best view of the annularity 环形日食 for spectacular shots.

摄影师们蜂拥至最佳观赏地点，以拍摄壮观的annularity 环形日食照片。

作文

The phenomenon of a solar eclipse has fascinated humanity for centuries. Among the various types of eclipses, the annular eclipse is particularly intriguing. During an annular eclipse, the moon covers the center of the sun, leaving a ring-like appearance of the sun's outer edges. This unique visual effect is what gives the event its name, derived from the Latin word 'annulus', meaning 'ring'. The stunning display of light creates a spectacular sight for those fortunate enough to witness it. The concept of annularity (环状) can be understood as the state or quality of being annular or ring-shaped, which is precisely what occurs during this celestial event.To fully appreciate the beauty of an annular eclipse, one must understand the mechanics behind it. The moon orbits the Earth at an average distance of about 238,855 miles. However, the moon's orbit is not a perfect circle; it is elliptical. This means that there are times when the moon is farther away from the Earth than at other times. When an annular eclipse occurs, the moon is near its apogee, the farthest point from the Earth in its orbit. As a result, it appears smaller in the sky compared to the sun, which is why it does not completely cover the sun's disk. Instead, we see the bright edges of the sun surrounding the dark silhouette of the moon, creating the striking effect of annularity (环状).Witnessing an annular eclipse is a rare experience. The last significant annular eclipse visible in the United States occurred on May 20, 2012, and the next one will not happen until October 14, 2023. Enthusiasts and casual observers alike often gather in specific locations to view these events, equipped with protective eyewear and cameras. The excitement builds as the moment approaches, and when the eclipse reaches its peak, gasps of awe can be heard from the crowd. The annularity (环状) of the eclipse creates a mesmerizing atmosphere, reminding us of the intricate dance of celestial bodies that govern our universe.In addition to their aesthetic appeal, annular eclipses also hold scientific significance. They provide valuable opportunities for researchers to study the sun's corona, the outer atmosphere of the sun that is usually obscured by its intense brightness. Observations made during an annular eclipse can contribute to our understanding of solar phenomena, such as solar flares and coronal mass ejections. The study of annularity (环状) and its effects can lead to advancements in solar physics and improve our ability to predict space weather events that may impact satellite communications and power grids on Earth.In conclusion, the annularity (环状) of a solar eclipse is a captivating phenomenon that combines beauty with scientific intrigue. It serves as a reminder of the wonders of our universe and the delicate balance of celestial mechanics. As we look forward to future annular eclipses, we are reminded of the importance of observing and appreciating the natural world around us. Whether through the lens of a telescope or simply with our own eyes, the experience of witnessing an annular eclipse is one that leaves a lasting impression on all who are fortunate enough to behold it.