| 单词 | Mittenpunkt | 
| 释义 | Mittenpunkt![]() The Lemoine Point of the Excentral Triangle, i.e., the point of concurrence  See also Excenter, Excentral Triangle, Nagel Point 
 Baptist, P.  Die Entwicklung der Neueren Dreiecksgeometrie.  Mannheim: Wissenschaftsverlag, p. 72, 1992. Eddy, R. H.  ``A Generalization of Nagel's Middlespoint.''  Elem. Math. 45, 14-18, 1990. Kimberling, C.  ``Central Points and Central Lines in the Plane of a Triangle.''  Math. Mag. 67, 163-187, 1994. Kimberling, C.  ``Mittenpunkt.''http://cedar.evansville.edu/~ck6/tcenters/class/mitten.html.  | 
	
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