annular eclipse

During the annular eclipse, ionosphere is disturbed suddenly by the solar activity, the time signal propagation for the Loran-C sky wave exhibits obvious changes.

1987年9月23日发生的日环食期间，由于电离层受太阳活动的突然扰动，Loran&C天波时号传输呈现明显的变化。

It was reported that there would be an annular eclipse tomorrow.

据报道说,明天有日环食.

Effect of the annular eclipse on the solar radiation and surface meteorological elements

太阳辐射和地面气象要素的日环食效应

Of course, tomorrow's annular solar eclipse is mostly for penguins.

当然, 明天的日环食大概只有企鹅才看得到.

Effect of annular eclipse on time signal propagation of Loran-C sky wave

日环食对LORAN-C天波时号传输的影响

An annular eclipse of the sun is expected to cross China Friday afternoon, Cheng Zhuo, a researcher with the Purple Mountain Observatory under the Chinese Academy of Sciences, said Wednesday.

周三中国科学院麾下的紫山天文台研究员程卓称周五下午中国可以观赏到一次日环食。

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？

The path in China of the annular eclipse of the sun, may 20,1966

1966年5月20日经过中国境内的日环食路线

The next eclipse season begins in January 2009 with an annular solar eclipse.

下一个日月食季在2009年的一月,届时将出现日环食.

Chen said the annular eclipse will end at Jiaodong peninsula in China.

程卓称日环食将在中国的胶东半岛结束.