单词：ripple ratio
单词：ripple ratio 相关文章
By Carol Pearson Washington 30 April 2008 Ten years ago, the U.S. Food and Drug Administration approved LASIK, eye surgery with a laser that enables people to see without glasses. But about five percent of LASIK procedures fail, and those patients ca
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McDonalds Puts High-Tech on its Menu 高科技融入麦当劳 McDonald's recently celebrated its 50th birthday, and the fast food giant is planning to make its second half-century as revolutionary as
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This is Valentines Day and this morning, we have a few words about love and money. According to research from a major credit card company, the average man spends about $130 on his sweetheart. Women, spend about half that. For people who want to spend
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By Kathie Scarrah Washington, DC 10 January 2006 watch Electronics report The world's largest consumer technology trade show has just wrapped up in the United States. The annual event has pitted tradi
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Last month, Washington, D.C., opened a new kind of trade school of which it is immensely proud. This is not one of the old-fashioned vocational schools that taught literal nuts-and-bolts repair work or hands-on career training in fields like auto re
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As more and more of us begin to use health savings accounts, there is a new website that’s coming online which will let you check to see how much a medical procedure truly costs. HealthGrades Incorp
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