单词：piezoelectric ceramic receiver
单词：piezoelectric ceramic receiver 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
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
A bar owner locked up his place at 2 a. m. and went home to sleep. He had been in bed only a few minutes when the phone rang.
英汉幽默故事选读
A bar owner locked up his place at 2 a. m. and went home to sleep. He had been in bed only a few minutes when the phone rang. What time do you open up in the morning ? he heard an obviously inebriated man inquire. The owner was so furious, he slammed
趣味英语