英 [ɪkˌstɪəriə ˈæŋɡ(ə)l]
外角：多边形的一条边和其相邻边的延长线之间的角度，或者是由横截线切割两条直线形成的角度，位于直线外部。
exterior angle //
名词 an angle of a polygon contained between one side extended and the adjacent side 外角
the supplement of an interior angle of a polygon
同义词： external angle
外角
外角
... expression表达式 exterior angle外角 face立体的面 ...
[数]外角
Utilizing the extension of the polygon exterior angle sum theorem, directions of curvilinear polygons were judged and redundant polygons were deleted.
利用多边形外角定理的推广，判断偏置后曲线多边形的旋向，删除多余多边形。
From the Angle of economics the development of country touring has strong characteristics of exterior and communal that belonging to the traditional realm of market failure.
从经济学角度，乡村旅游开发具备强外部性和公共性特征，属于市场失灵的传统领域。
A second method is to furnish the surfaces with hinges and to use an exterior sector with drilled holes for each Angle setting.
第二种方法是在翼面上装置铰链，用一个对不同安装角钻有不同孔的外部扇形件与之配合。