单词：transmission frequency diversity
单词：transmission frequency diversity 相关文章
On December 25, 2000, many people across North America received a rare Christmas treat when the moon passed in front of the sun resulting in a partial solar eclipse. Solar eclipses occur when the moon passes between the Earth and the sun, and the moo
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Yesterday morning, New Zealanders were lucky to see a partial solar eclipse. This occurs when the moon passes between the sun and the earth. In Queensland, Australia, there was a total eclipse total darkness for about two minutes. A partial eclipse m
新西兰英语
AS IT IS 2016-09-02 Ring of Fire Eclipse Passes Over Africa People in parts of Africa witnessed a ring of fire in the sky Thursday, created by the moon passing between the Earth and the sun. The solar event is called an annular eclipse. A total solar
2016年VOA慢速英语(九)月
AILSA CHANG, HOST: People across the country are gearing up for the solar eclipse on Monday - and not just spectators - energy supply managers, too, especially where you are, David. DAVID GREENE, HOST: Yeah, that's right. Almost half the solar power
2017年NPR美国国家公共电台8月
An annular solar eclipse is seen formed over the sky of Burma's ancient historic city of Bagan, 15 Jan 2010 Holly Gilbert, an astrophysicist at NASA, explains the science behind the spectacle of the sun's disappearance. So during a total solar eclips
VOA标准英语2010年(七)月
CHONGQING, July 22 (Xinhua) -- A total solar eclipse was viewed at 9:15 a.m. in many places along the upper stream of China's longest river of the Yangtze. The moon shadow fully blocked the sun, and gazers could clearly enjoy the aura of solar corona
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