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It was an annular solar eclipse: the moon shadow was too small to completely cover the sun.

这是一次日环食：月亮的影子太小还不足以完全遮住太阳。

In an annular eclipse, the moon appears smaller than the sun.

日环食发生之时，月亮看上去比太阳要小。

An annular eclipse of the sun covering over 500 kilometers will appear on January 15, Yangtze River Daily reported on Saturday.

长江日报上周六报道说，太阳遮没超过 500 公里的日环食将会在 1 月 15 日出现。

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)。

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。

An annular eclipse occurs when the moon does not cover the entire disc of the sun so that a ring of light encircles the shadow of the moon.

当月亮没有覆盖住太阳的整个光盘时发生日环食，出现一个光圈围绕住月亮的阴影。

Annularity 环食阶段 The period when the Moon is fully inscribed in the Sun.

为日食中月球影子完全在太阳圆盘里面的阶段。

NASA says the annular eclipse of the Sun began in Africa and passed through the Indian Ocean, where the maximum duration of annularity reached 11 minutes and 8 seconds.

据美国宇航局介绍，今天可见的日环食始于非洲，在印度洋时间最长，持续11分8秒。

According to the National Aeronautics and Space Administration of the United States, the annular eclipse of the sun begins in Africa and pass through the Indian Ocean, where the maximum duration of annularity will reach 11 minutes and 8 seconds.

据美国国家航空和航天局，日环食在非洲开始并通过印度洋，环形最长期限将达到11分8秒。

At greatest eclipse the Sun and Moon subtended virtually the same angular diameter, so the Moon's irregular profile produced in a beaded annularity not unlike the solar eclipse of 1986 Oct 03 (Espenak 1987). Beginning with the eclipse of 1630 Dec 04, the following five events were true hybrids with increasing durations of totality.

一次最壮观的日食实际上太阳和月球看上去有着相同的直径，因此月球不规则表面产生珍珠状轮廓，就像1986年十月3日的日食。1630年开始的日食，及其之后五次是真实的混频日食，其总的持续时间也增加了。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。