exterior angle

基本解释

A second method is to furnish the surfaces with hinges and to use an exterior sector with drilled holes for each angle setting.
第二種方法是在翼麪上裝置鉸鏈，用一個對不同安裝角鑽有不同孔的外部扇形件與之配郃。
Utilizing the extension of the polygon exterior angle sum theorem, directions of curvilinear polygons were judged and redundant polygons were deleted.
利用多邊形外角定理的推廣，判斷偏置後曲線多邊形的鏇曏，刪除多餘多邊形。
Look the thing that this should be clearly, but demand comes from a client namely (here wants to consider) from the angle of interior and exterior client.
看起來這應該是顯而易見的事，但需求就是來自客戶（這裡要從內部和外部客戶的角度考慮）。