And he stresses that it should reduce the cost of generating power from the sun.
VOA: standard.2010.02.19
So, taming of steel. The beginning of generating power by burning fossil fuels.
人们能够驾驭钢铁,开始通过燃烧化石燃料发电。
Imagine how much power it takes to drive an artificial heart, so you've got to have a battery or some way of generating power continuously to operate that and that makes it difficult to think about implantable and so that's a really good example of Biomedical Engineering.
驱动人工心脏所需要的能量是难以想像的,所以需要电池或者是某种持续发电装置,来给人工心脏提供能量,这就增加了人工心脏的植入难度,这是很好的生物医学工程的例子
She has pledged U.S.support in a number of areas, including helping Pakistan repair and upgrade key electricity generating stations as the country faces severe power shortages.
VOA: standard.2009.10.28
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