单词：piezoelectric resonater
单词：piezoelectric resonater 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
By Robert Raffaele Washington, D.C. 11 September 2006 watch Anniversary report Americans are marking the fifth anniversary of the September 11 terrorist attacks by observing moments of silence and reading the names of the victims. The attacks killed
2006年VOA标准英语（九月）
Report: Sub-Saharan Africans Resonate with Arab Spring Amnesty International says many of the conditions that led to uprisings in North Africa exist in sub-Saharan Africa as well. The group has released its 50th annual human rights report. The overal
VOA标准英语2012年(五月)
10种方式挖掘你的优势 Our personal strengths are part of what makes us unique as individuals, and part of the value we offer to the world around us. If were not aware of our personal strengths, however, we dont always utilize them as fully as
英语美文