cycloids 

  1. 名詞
cycloid複數: 擺線
旋輪線, 圓滾線
圓鱗魚

    
                        
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例句

                

                    
    
                                                    
  1. 
                                The cycloids have been mentioned.                            
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  2. 
                                2002-04 Mouton and Gokhale introduce virtual probes "space balls" (2002) and "virtual cycloids " (2004)                            
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                                In a moving vortex, the particle paths are no longer closed, but are open loopy curves similar to helices or cycloids .                            
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                                By the time of Copernicus, in the fifteenth century, the interaction of 77 mathematical circles, forming cycloids and ellipses as necessary, was required to account for the apparent motion of the Sun, Moon and five planets about the Earth.                            
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                                If the electric field is not uniform (and it is not in the audion where the negative charge is located on the small cylinder of the filament instead of on a plane surface) the paths of the ions will not be cycloids , but in any case the ions will be turned back by the magnetic field after traveling a certain distance d , from their source.                            
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