单词:effective transformation group
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AS IT IS 2014-05-06 Looking for Vaccines Outside the Cold Chain Hello, and welcome back. I'm Jim Tedder in Washington. Today we will help you improve your American English while giving you some new information about medicines. This is the kind of thi
One of the first studies of the effectiveness of flu vaccine in young children suggests that vaccination should be considered for youngsters before they reach their first birthday. Older adults are considered to have the greatest chance of dying from
This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Finally, science has something you can give people that really does help them lose weight: money. Rewarding dieters with a few hundred dollars is effective for promoti
Participants take part in the discussion China's Changing Economy during the 2013 Fortune Global Forum in Chengdu, capital of southwest China's Sichuan Province, June 7, 2013. [Photo: Xinhua/Xue Yubin] China's economy is changing. While most particip
Shanghai ranked 16th in the 20th Global Financial Centers Index released last Monday, becoming the highest ranked Chinese mainland city and showing its rising competitiveness in the global financial sector. 在上周一发布的第20期全球金融中心