单词:maximum power-transfer theorem
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Paula Wolfson President Bush delivers a speech Monday on plans for the transfer of power in Iraq. It will be an unusual evening address delivered from an Army facility in Pennsylvania. It will be the
STEVE EMBER: Im Steve Ember. SHIRLEY GRIFFITH: And Im Shirley Griffith with EXPLORATIONS in VOA Special English. Today we travel to India by way of the John F. Kennedy Center for the Performing Arts in Washington, D.C. This cultural organization is c
Guinea Bissau Looks to Power Transfer After Presidents Death Recently strengthened relations between Guinea Bissaus Prime Minister and the military should help the country transition to new leadership after the death of President Malam Bacai Sanha wa
The World Health Organization says heart disease kills about 17 million people every year and that it will become the leading cause of death in developing countries. But now, there is some hope. A new device is being marketed that could save countles
本期内容: Half of the sugar young children in England consume comes from unhealthy snacks and sweet drinks, figures show. On average, primary school children have at least three sugary snacks a day, Public Health England found. This means they