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To fulfill the need of the application of RP technique in medical domain, reverse CAD modeling from medical cross sections is systematically studied in this dissertation. Firstly, Some algorithms related to the research of this dissertation are studied. New algorithms for orientation and inclusion test for simple polygon, an error constrained automatic faring algorithm for B-spline curve and a theorem regarding the termination criterion for subdivision of triangular Bézier patch are proposed. Then based on similarity between contours of adjacent sections, a methodology for surface reconstruction from cross sections is presented. Finally, a virtual measuring method is proposed.

本文针对RP技术在医学领域应用的需要，系统研究了基于医学断层轮廓数据的反求CAD建模理论和方法：(1)在基础算法研究部分，提出了简单多边形方向及点在多边形内外判断的新方法、三角Bézier曲面片离散的误差控制定理和一种带误差约束的B样条曲线的自动光顺方法；(2)提出了一种基于相邻层轮廓相似性的医学断层轮廓数据曲面重构方法；(3)提出了一种称为"虚拟测量"的曲面模型处理方法。

In 1929 some improvements were announced to what was now called the '33/8" Super Exe': the mandrel bore was increased to 1/2"(but 17/32" in reality, so allowing a 1/2" bar to pass clear through), the saddle carried a conventional compound slide rest with a T-slotted cross slide and swivelling top slide and, happily, the 10 tpi Acme-form cross feed screw had the outer flat rim of its handwheel engraved with a micrometer scale - an improvement mirrored simultaneously on the 4-inch lathe.

在1929年宣布了一些改进的话现在称为'33月8日"超级可执行'：在轴孔增加到1 / 2 "（但17/32 "在现实生活中，这样使1 / 2 "酒吧，通过明确的通过），鞍进行常规复合幻灯片其余的T型槽交叉旋转顶端幻灯片和投影片，并令人高兴的是， 10 TPI公司的Acme形式跨了饲料螺钉外单位辋其手刻有一微米尺度-改善镜像同时在4英寸车床。

During the cross-sectional seepage flow soil test and line fountain liquefaction solum by artifical pressure,the process of sediment incipient motion and cross-sectional basic configuration of liquefaction solum have been observed.

通过横断面渗流土工试验，人工加压线源液化土体，观察到泥沙起动的过程和液化土体横断面的基本形态，发现线源渗透破坏服从最小阻力趋向原则。

Cross Stitch Samplers Everything you want to know about red sox counted cross ...

交叉缝合采样一切你想了解的红袜队算过。。。

Cross stitch is the first taken out from the cocoon of silk animal fur in the line of embroidery on fabric, which in many countries, Cross stitch was used to decorate clothing and furniture, as a result of various countries with different cultural, as time goes by To form their own style, whether it is Spiraea, color or texture of fabrics, special ingenuity.

最早的十字绣是用从蚕茧中抽出的蚕丝线在动物毛皮的织物上刺绣，这种十字绣在许多国家被人们用来装饰衣服和家具，由于各国的文化不尽相，随着时间的推移，形成了各自的风格，无论是绣线，面料的颜色还是材质，都别具匠心。

Reporters visited Zhuhai Xiangzhou, Kyrgyzstan, a few of the Beaconsfield Cross stitch shop and found that these shops are now sold in packages of the Cross stitch DIY products: including design drawings of the design, Spiraea enough, embroidery needle, Embroidered cloth, and detailed embroidery law.

记者走访了珠海香洲、吉大、拱北的几家十字绣店铺，发现这些店铺现在售卖的都是套装的十字绣DIY 产品：其中有设计好图案的图纸、足量的绣线，绣针、绣布、还有详细的绣法说明。

Free Cross Stitch Design cross stich patterns: All ...

自由的跨缝设计交叉stich模式：所有。。。

Dawn's Cross Stich Links Dawn's free cross ...

曙光的两岸stich链接黎明的免费两岸。。。

Free Counted Cross Stich Free Counted Cross Stitch Free ...

免费计数两岸stich免费计数交叉缝合免费。。。

Cross stitch software Create designs with the Cross Stitcher ...

跨缝软件的设计与创造两岸压辊。。。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。