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Electric Fish 发电鱼 One way that Harold Zakon and his team find fish to study is to put electrical detectors into the bottom of murky streams in Venezuela. This works because certain fish emit pulses of electricity. Discover electric fish -- on tod

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Unlike the fertilizer bomb used in Oklahoma City, device analysis reveals that the New Jersey bomb is made from common household items. The problem is that there are so many things that can be used to

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In the late 1960's, many people in North America turned their attention to environmental problems, and new steel-and-glass skyscrapers were widely criticized. Ecologists pointed out that a cluster of

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He's test firing, recalibrating and threatening to attack. As Kim Jong-un races to perfect its ballistic missile capability, there are serious questions whether the US can defend against that threat. The anti-missile system that would shoot down Nort

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ENGLISH MARATHON Host: Jeffery 1. heater, air-conditioning; 2. plug/ socket 3. hair drier, iron 4. power converter/adapter 5. There is something wrong with...

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Building with Wood and Metal Hugo: Wow, when you said that you did some woodworking on the weekends, I thought you meant refinishing furniture. But this! This is a real workshop and youre actually building furniture. Shawna: Yeah, this is what Im wor

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This combination of skills is key to us being able to effectively develop prototypes, always with the production environment in mind. 这种结合技能对我们始终恪守生产环境、有效开发原型而言至关重要。 In our facility you wi

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This Short Story The Iron Box is quite interesting to all the people. Enjoy reading this story. Mohan Das was the son of a rich businessman. When his father died, Mohan Das was left with an iron box with valuables in it. One day, Mohan Das had to go

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1387 、 电木 Bakelite 1388 、 电玉；醛树脂 ureaformaldehyde(UF) 1389 、 电池 cell 1390 、 电池组 battery 1391 、 电位；电势 electricpotential 1392 、 电位计 potentiometer 13

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So I actually brought this up with my wife. 我也跟我的老婆提起过这件事， She's a musical instrument maker, and she does a lot of wood carving for a living. 她是一位乐器制造家，也把制作木雕当成一种职业。 So I asked

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It would have been fun if he had gotten to teach me how to use a mill and lathe. But unfortunately I never went, because I was more interested in electronics. 要是他能教我用铣和车床的话，一定会很有意思的，但遗憾的是，我从

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Garage Band 车库工厂 The Jobs house in Los Altos became the assembly point for the fifty Apple I boards 乔布斯一家位于洛斯阿尔托斯的房子，成为了这50块AppleI主板的组装工厂。 that had to be delivered to the Byte Shop w

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The Winkies lifted him tenderly in their arms, and carried him back to the Yellow Castle again, 那些温基人，轻手轻脚地，把他扶起在他们的手臂上，抬着他跋涉着回到黄色的城堡里， Dorothy shedding a few tears by the

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China's iron ore manufacturers say they're struggling to keep their businesses afloat because of high costs and taxes while production is on the rise for the sector's global giants. Brazil's Vale SA is the world's largest iron ore producer and it say

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flashlight 手电筒 fluorescent lamp 日光灯 electric calculator 计算器 tube 真空管 electric fan 电风扇 dictaphone, dictating machine 录音机 tape recorder 磁带 television 电视机 ele

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