The twenty-two meter long rocket would put a little scientific satellite into orbit as one of the events of the international geophysical year.
VOA: special.2009.06.10
That says that if you have independent probabilities, then the probability of two events is equal to the product of their probabilities.
意思是,几个相互独立的事件,其中两个事件同时发生的概率,等于他们分别发生的概率的乘积
Scientists say small changes in the sun's brightness can produce effects on Earth similar to two weather events in warm waters of the Pacific Ocean.
VOA: special.2009.09.29
And a new version of the events of World War Two.
VOA: special.2010.03.01
In the North, people mourned. One man wrote: "The events of the last month or two have done more to build northern opposition to slavery than anything which has ever happened before, than all the anti-slavery pamphlets and books that have ever been written."
VOA: special.2009.07.02
In the first of the two tragic events, survivors report the boat capsized early Saturday night when the smugglers began to push passengers over board into the waters off the coast of Yemen.
VOA: standard.2009.09.01
Clinton's keynote speech at a dinner organized by the Atlantic Council was more an appeal for unity among the expanded NATO alliance than a commemoration of the transformative events in Berlin two decades ago.
VOA: standard.2009.11.09
This year, the team's experience shows, with Johnny Spillane earning his first World Cup win in early January while Lodwick finished on the podium in two events and Demong won a World Cup event in October.
VOA: standard.2010.01.31
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