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THE PROPERTIES OF WATER Earth is an ocean planet. About three billion years ago, life on our planet began in the deep blue seas. Ninety-nine percent of the living space on earth is in the oceans. Marine life is incredibly rich and varied. There are

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This is Scientific American-60 Second Science. I am Christopher Intagliata. Gotta a minute？ Hair helps keep you warm, right? But hair can also keep you cooler than bare skin, as long as the hair is not too thick. So says a study in a journal-Plus O

美国科学60秒 SSS 2012-10-12

Hair helps keep you warm, right? But hair can also keep you cooler than bare skin, as long as the hair is not too thick. So says a study in the journal PLoS ONE. Researchers studied elephants, which have very thin coats of hair. It's easy for the bea

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VT tidal volume 潮气容积 TLC total lung capacity 肺总量 VC vital capacity 肺活量 IC inspiratory capacity 深吸气量 ERC expiratory reserve capacity 补呼吸量 RV residual volume 残气容积 FRC functional residual capacity 功能残气量

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The Properties Of Water Earth is an ocean planet．About three billion years ago，life on our planet began in the deep blue seas．Ninety-nine percent of the living space on earth is in the oceans．Marine life is incredibly rich and varied． There

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This is the VOA Special English Development Report. Solar water heaters are devices that use energy from the sun to heat water. Solar water heating is used around the world. An example of a rooftop solar water heater being built in South Africa The

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It's just magic. When you follow it, you can see that this is the perfect union of the tree and the villages. The locals have kind of trained the roots, kind of guided them through and netted them together. What they've done here is they've grabbed s

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A: Welcome to Smith Street Branch. Can I do anything to help? 欢迎光临Smith大街营业部。我能为您效劳吗？ B: I'd like to ask some questions about Personal Loans. 我想咨询一下关于个人贷款的事情。 A: Of course, I'll be h

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One of the better early attempts at dating the planet came from the ever-reliable Edmond Halley, who in 1715 suggested that if you divided the total amount of salt in the world's seas by the amount added each year, you would get the number of years t

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According to the figures from the CAAC, the average on-time rate for domestic airlines was just over 65 percent between January and June, compared to over 68 percent last year. In other words, a passenger flying on a Chinese airline experiences a fli

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So today I want to show you my interactive software model that I created. 所以今天我想向你们展示我创造的互动软件。 I'm going to show it to you on my laptop. And I have a volunteer subject in the audience today, Julie. 我将用我的

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Oceans are the real powerhouse of the planet's surface behavior. 海洋是地球表面活动的真正动力源泉。 Indeed, meteorologists increasingly treat oceans and atmosphere as a single system, which is why we must give them a little of our at

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match an order 对单；对盘 matching 对销；相配；对盘 matching grant 半费资助；等额津贴 matching system 对销系统；相配系统；对盘系统 material risk 重大风险 mathem