很多谈判代表都说他们会为所有除了哥本哈根协定之外的主要经济体设定法律约束力的目标而奋斗。
Many negotiators still say they will fight on for legally binding targets for all major economies that go well beyond their Copenhagen pledges.
至于在约束振动上，切卓卡山和他的同事们使用了压电体，在经受力的作用下，它可以产生电流。
In the case of harnessing vibrations, Chandrakasan and his colleagues use piezoelectric materials, which produce an electric current when subjected to mechanical pressure.
光子晶体的成分做为绝缘体就约束着两者间的运动——允许某些波长通过，而与此同时阻止其它的波长，这样就产生反射效果。
Being insulators, the elements of a photonic crystal constrain this propagation, permitting some wavelengths to pass while denying passage to others, which are thus reflected.
应用推荐