单词：piezoelectric ceramic device
单词：piezoelectric ceramic device 相关文章
最新研制一种新的医疗设备，可以利用身体动作来充电。 Novel materials could allow the implantation of flexible, rechargeable batteries that would constantly recharge from the body's own movements--even just breathing. Cynthia Gr
60秒科学
EXPLORATIONS - From Clay to Art: A Short History of Ceramic Artistry STEVE EMBER: I'm Steve Ember. BARBARA KLEIN: And I'm Barbara Klein with EXPLORATIONS in VOA Special English. At the Smithsonian American Art Museum in Washington, D.C. you might see
2011年VOA慢速英语(十)月
This is Scientific Americans 60 Science, Im Cynthia Graber. Thisll just take a minute. Batteries add weight, and they need recharging. Thats serious business for implanted medical devices. When the batteries die, patients sometimes have to undergo an
Scientific American(九)月
M.I.T. researchers have developed a piezoelectric fiber that would react to electric currents and have the potential to record or produce audio. Clothing is so yesterday. I mean, really, what can it do? It cant pick up sound, or beep at us if somethi
60秒科学
Broadcast: May 5, 2003 By Jill Moss This is the VOA Special English Development Report. Each year more than two-million people die from diseases caused by drinking dirty water. That is the estimate of
VOA2003（上）-社会广角
Up until now, a trip to the toilet for most men has been limited in its potential for entertainment. Standing at the urinal there's not much to do but stare blankly at the wall tiles, whistle and relieve oneself. But for those who can't bear the bore
英语听力精选进阶版