单词:El Ocotal
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Every year on the 23rd of March, the World Meteorological Organization (WMO) celebrates World Meteorological Day (WMD). This is the date in 1950 that the WMO was created. A year later, it became a specialized agency of the United Nations to observe t
By Steve Herman Honolulu, Hawaii 26 June 2006 The massive earthquake and tsunami that hit the Indian Ocean 18 months ago has pushed governments, international organizations and scientists to expand a sophisticated network to detect tsunamis. VOA's S
Australia has introduced a tsunami warning system, which experts hope will become an integral link in a network stretching across the Indian and Pacific oceans. The Australian Tsunami Warning Center will help provide a regional monitoring system for
Scientists are struggling to understand why a burst of scary warming at the North Pole has pushed Arctic temperatures nearly 20C higher than normal for this time of year. 科学家们感到费解,北极突然出现的可怕变暖为何会导致北极
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