projected circle 中文意思是什麼
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First the sketch / datum plane is fitted by least - square distance, then the extruded direction or axis with the flank points of the cloud is extracted in quadratic paogramming arithmetic, and certain points projected to gain 2d sketched datas. feature points are defined to segment the sketch datas, and the sketch profile is generated by fitting separately the line and circle segment
使用最小二乘方法擬合草圖基準平面，採用二次規劃方法提取拉伸方向和旋轉軸線，然後將數據點投影以獲取草圖數據，通過柵格劃分提取草圖邊界輪廓數據，再對這些邊界數據進行基於特徵點的分割，以直線和圓弧段擬合出草圖輪廓。 -
With the construction of sutong bridge projected to be completed by 2008, nantong is ever becoming an important player in the yangtze delta economic circle, centered by shanghai
2008年蘇通長江大橋建成后，南通將成為以上海為中心的長三角經濟區的更重要的一員。
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