when contrast-enhanced ct depicts hypervascularity of the mesentery with vascular dilatation, tortuosity, and wide spacing of the vasa recta, the comb sign is produced.

1、

low recta cancer; sustained-release fluorouracil;

低位直肠癌；氟尿嘧啶缓释剂；

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2、

enlarged and tortuous vasa recta running from the mesenteric side to the opposite side;

从肠系膜缘侧至对侧缘走行的直小血管增粗、迂曲；

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3、

the clinical use of ms contin via recta after thoracic surgery operation

美施康定直肠给药在胸外科手术后的应用

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4、

the post-operation nursing for 90 cases of recta cancer after miles operation

90例直肠癌Miles手术的术后护理

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5、

she has not falsely inculpated the president.

她没有虚假牵连的总统。

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6、

the multi-elements of british irresolution on euro-integration

英国在欧洲一体化上政策摇摆的多元成因

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7、

thus pressed by us all, holmes showed signs of irresolution.

我们大家这样一逼，福尔摩斯反而显出迟疑不决的样子。

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8、

the surface structures are various grammatical relations embodied by grammar structures, while the deep structures are all kinds of semantic relations hidden behind the surface structures.

显性关系是借助于语法结构而体现出来的各种语法关系，而隐性关系是潜藏在显性关系后的各种语义关系。

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9、

the involving work contains the implementation of 3-d transformation, hidden line and surface, color, light and material.

其中涉及的主要工作包括：三维变换、消隐、颜色、光照和材质等处理。

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10、

offering a greater variety of enrichment activities to children will cause many more hidden talents to surface.

为孩子们提供各种活动激发他们的才智，就能让更多隐藏的潜力得见天日。

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11、

with thermal images, researchers could capture what is hidden beneath surface areas and structures.

科学家可通过热成像拍摄到藏在表层和结构之下的东西。

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12、

compared with methods in current use, these equations for drawing surfaces on computers are quick in speed, less in store. they can eliminate hidden surface easily and do not require high program skill.

利用这些方程在计算机上画曲面，与目前国内外流行的方法相比较，具有速度快，内存省，不需很高的编程技巧，便于消隐等优点。

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13、

beginning with the analysis of the current algorithms for hidden surface removal, this paper proposes a quick algorithm for hidden surface removal on embedded appliances to render embedded appliance 3d objects.

从分析常用的消除隐藏面算法入手，提出了在嵌入式设备中绘制三维场景时候可以用来现快速消除隐藏面的算法。

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14、

in this paper, real-time scheduling scene, the level of detail model, elimination of hidden surface and cutting process, were studied for the requirements of large-scale roaming in the system performance.

针对在大范围场景漫游时系统的性能要求，本文对场景实时调度、层次细节模型、消隐裁剪处理等方面进行了研究。

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15、

design method is systematically introduced with emphasis on projection shifting, hidden surface elimination, hidden line elimination, drawing method, structure method, data structure, system structure and function, etc.

系统地介绍了三维建筑造型系统的设计方法，其中重点阐述了投影变换、消隐处理、绘制方法、构造方法、数据结构、系统结构及功能等问题。

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16、

in 3d case, the method is combined with hidden surface removal techniques and painter's algorithm to generate easily perceptible pictures.

与消隐技术以及画家算法结合起来，这种方法可以清晰画出三维应力场的云图。

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17、

coarse-z filter: a low-bandwidth algorithm and its hardening for hidden surface removal

Coarse-Z Filter：一种降低带宽的消隐算法及其硬化研究

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18、

made in this paper is a comparison between the hidden surface algorithm and shading method in generating three dimension vivid graph.

对三维形体真实图形生成中的隐藏面消除算法和可见面明暗处理方法进行了比较研究。

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19、

a hidden surface algorithm about solid with interloop holes

带有内环孔实体消隐的一种算法

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20、

design and implementation of hidden surface removal hardware based on cache and hierarchical z-buffer algorithm for 3d graphics

基于Cache和层次Z缓存算法的3维图形深度消隐硬件设计和实现

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