查询词典 annular eclipse

The most recent solar eclipse occurred on January 26, 2009, and was an annular eclipse.

最近的日食发生在2009年1月26日，是日环食。

Why Could We Observe Eclipse instead of Annular Eclipse of the Moon?

为什么能观察到日环食，而不能观察到月环食？

Annular eclipse ;eclipse of the sun by the moon when a ring of sunlight can be seen round the moon

环蚀(在月球周围可见到一圈阳光的日蚀)。

An annular eclipse occurs instead of a total eclipse when the Moon is on the far part of its elliptical orbit around the Earth.

而发生日环食而不是日全食的是因为月亮运行到距离地球较远的轨道上，于是月亮的本影只能遮到太阳的中心。

The next annular eclipse of the Sun will take place in 2010 January, although a total solar eclipse will occur this July.

尽管在今年7月会有一次日全食，但下一次日环食还要等到2010年一月。

The 1999 total eclipse in Europe helped to increase public awareness of the phenomenon, as illustrated by the number of journeys made specifically to witness the 2005 annular eclipse and the 2006 total eclipse.

1999年日全食在欧洲有助于提高公众认识的现象，就说明了这一点取得了一些具体行程见证日环食， 2005年和2006年的月全食。

Using the IAU value for k, the Astronomical Almanac identified this event as a total eclipse of 3 s duration when it was, in fact, a beaded annular eclipse.

使用IAU所提供的K值，天文年鉴确定其为持续时间为3秒的全食，实际上珍珠状的环食。

A PARTIAL solar eclipse will be seen in Shanghai on the afternoon of January 15, when the first annular eclipse in China in 22 years and the longest in the world for the next 1,000 years will be visible in some provinces.

一月十五日下午，上海将出现日偏食，同时其他省份将观测到中国境内22年来首度出现的日环食，这也是在接下来的1000年中持续时间最长的日环食。

It is also worth noting that an earlier eclipse of the same Saros (141) in 1955 yielded an annular eclipse in Hong Kong, though not the whole territory could have a glimpse of it.

值得留意的是於 1955 年香港部分地区曾可见日环食，该日食同属沙罗序列 141 号。

Annular Eclipse 环食 An eclipse in which the shadow cone of the obscuring object is not large enough to fully cover the object being obscured.

当掩盖物的影锥比较细小而不足以把被掩盖的天体完全遮盖时，环食便会发生。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。