在2009年的十月份，一个研究小组宣称发现XMRV病毒和人的慢性疲劳症有关。
In October 2009, a team of scientists claimed to find a virus known as XMRV in people with chronic fatigue syndrome.
一个美国研究小组宣称，在毫不影响耕地的前提下，生物燃料可以满足全世界一半的燃料需求。
Half of the world's fuel demands could be met by biofuels without affecting farmland, a team of US researchers has declared.
早在两年前，有另一个研究小组宣称可将量子数据存储于原子核内2秒钟，但是他们并没有用电子手段读出数据。
Two years ago, a different research group reported storing quantum data for two seconds within atomic nuclei, but they did not read it electronically, Boehme said.
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