单词：piezoelectric ceramic transducer
单词：piezoelectric ceramic transducer 相关文章
VOICE ONE: I'm Steve Ember. VOICE TWO: William Wilhelmi's porcelain cowboy boots And I'm Barbara Klein with EXPLORATIONS in VOA Special English. At the Smithsonian American Art Museum in Washington, D
2006年慢速英语(十二)月
That pottery can be dated, and so tell you the date of the city itself. By dating the pottery of all the settlements along the ancient lost branches of the Nile, that will tell you when each settlement was inhabited. And therefore, when that particu
遗失的法老城市
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
According to legend, a young man while roaming the desert came across a spring of delicious crystal-clear water. The water was so sweet, he filled his leather canteen so he could bring some back to a tribal elder who had been his teacher. 据传说，一
英语美文
The hardest arithmetic to master is that which enables us to count our blessings.- Eric Hoffer 世界上最难的算术题是如何清点我们的祝福。 According to legend, a young man while roaming the desert came across a spring of delicious cr
英语美文
Science and Technology Three-dimensional printing An image of the future 科技 3D印刷 印刷未来 One of the biggest manufacturers in the world gives 3D printing a go 世界龙头机器制造商用3D印刷术进行了一次格外成功的应用 U
经济学人科技系列
Chinese President Xi Jinping has called upon the country's best and brightest to make more breakthroughs in science and technology, with billions of yuan being pumped into higher education. 中国国家主席习近平号召中国最杰出的优秀人才
英语新闻
While many Chinese smartphone makers have recently stepped up their efforts in delivering more original designs, we can't say that's the case with Meizu's latest offering. In fact, we already knew the cheeky company was up to something when the Chine
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Science and technology 科学技术 Three-dimensional printing 3D印刷 An image of the future 印刷未来 One of the biggest manufacturers in the world gives 3D printing a go 世界龙头机器制造商用3D印刷术进行了一次格外成功的应用
经济学人科技系列
四招轻松搞定托福阅读指代题 托福阅读指代题目目前出的不是很多，我们只需要按照几个常用步骤解题就可以了。基本做法是一：向前找，二：主从句主语一致；三：注意数格 四：前文概括总
托福英语
Listen to the dialogues and check what they are talking about. 1.Switch it off immediately after use. 2.Make sure you've turn it off every time before you go out of the house. 3.Use the tempered glass, it would be safer. 4.Keep it dry after you mop i
英语听力练习题
Dining Room Table Clearing Tips eclaim Your Dining Room Table! I just came back into my dining room after making a phone call. Today is the day my assistant is working in my office so I took all my to dos and spread them on the dining room table. As
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A Kindness Returned真正的感激之情并不会随着岁月的流逝而消失，而是如同当初一样鲜活。文中的两位母亲，在生命的偶然邂逅中真诚地给予对方温暖的慰藉，让彼此受伤的心灵得到了抚慰，重新
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