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  1. The function principle of the internal-combustion engine includes: First , change the heat energy burnt into the mechanical energy. Second, change ...

    分類:科學 > 其他:科學 2006年03月11日

  2. http://www.flickr.com/photos/103617405@N07/10548465413/sizes/l/

    分類:科學 > 其他:科學 2013年11月13日

  3. ...can conduct heat from the roof to the cans (thermodynamics principle says: heat will flow from high to low). Now, how...and cause problem). Basically, you only need to punch one hole on the top and the bottom, and no more than 4 holes...

    分類:科學 > 其他:科學 2011年12月05日

  4. ...http://en.wikipedia.org/wiki/Huygens-Fresnel_ principle Chinese version: http://zh.wikipedia.org/wiki/%E6... by many askers, maybe you can find better one from here. 2007-10-31 22:49:18 補充: http://www.ck.tp.edu...

    分類:科學 > 其他:科學 2007年11月04日

  5. ... evolutionary search uses the Darwinian principle of natural selection (survival of the fittest) and ... says “animated gif is worth one mega-word,” so click here for short tutorial of “What...

    分類:科學 > 其他:科學 2005年12月20日

  6. ... done at the expense of the mechanical energy of the system. At first glance this would appear to violate the conservation principle , but it doesn't. In every case where energy seems to disappear, the...

    分類:科學 > 其他:科學 2010年05月22日

  7. ...condition The Kutta condition is a principle in steady flow fluid dynamics, especially aerodynamics, that is... edge of the airfoil can occur momentarily when the airfoil first begins to move relative to the air, but after the airfoil...

    分類:科學 > 其他:科學 2008年01月26日