 
  
 quad·rant [ˈkwɒdrənt, 美 ˈkwɑ:-] 名词
1. quadrant 数学 (quarter):
-  quadrant of a circle
-  
-  quadrant of a circle
-  
-  quadrant of a circle
-  Quadrant m <-en, -en> 技术用语
2. quadrant 天文, 航海 (instrument):
-  quadrant
-  Quadrant m <-en, -en> 技术用语
 
  
 -  Quadrant
-  quadrant
