单词:solar decliniation
单词:solar decliniation 相关文章
DEVELOPMENT REPORT – How to Make a Solar Water Heater By Gary Garriott Broadcast: Monday, November 29, 2004 I'm Gwen Outen with the VOA Special English Development Report. Solar water heaters save o
By David McAlary Washington 14 September 2006 The International Space Station has spread a new pair of golden wings. They are solar panels that will double the amount of power available to the outpost. Unfurling them took longer than expected becaus
India seems to excel at making things smaller and cheaper. The $2,500 car and the $35 computer are just two of the country's latest innovations. Now, India increasingly is focused on low-cost solar technology. The front lines of that effort are seen
By Brian Wagner Miami 27 October 2009 President Barack Obama speaks during his tour of the DeSoto Next Generation Solar Energy Center in Arcadia, Florida, 27 Oct 2009 President Barack Obama traveled to Florida on Tuesday to help unveil the nation's
By Paul Sisco Washington 22 October 2007 Twenty college and university teams from around the world competed inthe recentSolar Decathlon that is held every two years in Washington, D.C. The U.S. Energy Department sponsors the event, and this year's wi
Today marks the beginning of Summer, according to traditional Chinese calendars, which divide the year into 24 solar terms. And Chinese people are marking this start of the seventh solar term - known as Lixia - with various forms of feasting. In east