sextants 

  1. 名詞
sextant複數: 六分儀
圓的六分之...(幾)

    
                        
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例句

                

                    
    
                                                    
  1. 
                                There are two types of sextants .                            
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  2. 
                                This section discusses navigators' sextants .                            
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  3. 
                                Traditional sextants have a half-horizon mirror.                            
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                                Sextants can be read accurately to within 0.2 arcminutes.                            
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                                Most sextants mount a 1 or 3 power monocular for viewing.                            
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