例句與造句

1. first, the contour is represented by chain code, and then we find the possible matched contours by area rules and boundary rules, and computer ? aided automatic paper fragments reassembly is also realized in this paper
   首先采用鏈碼表示碎片輪廓,然后通過碎片旋轉(zhuǎn)進(jìn)行搜索,采用邊界準(zhǔn)則和面積準(zhǔn)則進(jìn)行碎片之間相似的匹配部分的判斷,達(dá)到碎紙自動拼接的目的,實(shí)現(xiàn)了基于計(jì)算機(jī)輔助的碎紙自動拼接復(fù)原。
2. the surface of conventional engineering part is composed of simple analytical surfaces and four-boundary ruled surface primarily . therefore a point cloud segmentation method based on those feature surfaces is proposed . several algorithms to identify the simple analytical surface feature are investigated and discussed
   常規(guī)工程零件的外表面中包含了大量的特征曲面，如簡單解析曲面和四邊直紋面，因此，本文提出基于特征曲面的的點(diǎn)云分割方法，研究幾種識別簡單解析曲面的算法；研究由點(diǎn)云擬合bspline和bzier曲線的理論基礎(chǔ)，總結(jié)曲面擬合的幾種方法，提出一種反求定半徑滾球圓角的方法。
3. It's difficult to find boundary rule in a sentence. 用boundary rule造句挺難的