frustum
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n. [数] 截头锥体；平截头体
n.
平截头体；
变形
复数：frustumsfrusta
英英释义
frustum[ 'frʌstəm ]
n.a truncated cone or pyramid; the part that is left when a cone or pyramid is cut by a plane parallel to the base and the apical part is removed
权威例句
High-Efficiency Ordered Silicon Nano-Conical-Frustum Array Solar Cells by Self-Powered Parallel Electron LithographyOptimized View Frustum Culling Algorithms for Bounding Boxes
Enhanced conversion efficiency of a crystalline silicon solar cell with frustum nanorod arrays
Impact drill insert with frustum cutters
Enhanced conversion efficiency of a crystalline silicon solar cell with frustum nanorod arrays.
Influence of position-dependent geometric errors of rotary axes on a machining test of cone frustum by five-axis machine tools
Direct and indirect methods for the quantification of leg volume: comparison between water displacement volumetry, the disk model me...
Accelerated occlusion culling using shadow frusta
Three-dimensional mapping with time-of-flight cameras
Occluder Shadows for Fast Walkthroughs of Urban Environments
frustum (n.)
"remaining piece after a part has been cut off," 1650s, in mathematics, from Latin frustum "piece broken off," from PIE *bhrus-to-, from root *bhreu- "to cut, break up" (see bruise (v.)).
1. Together, the viewing angle and the clipping planes define what is called the view frustum.
观察角度和切割面共同定义了视域。
www.ibm.com
2. To filter the back projection, we need a new frustum for the filter which points in the direction we wish to filter.
为了过滤掉反向投影，我们需要一个新的平截头体，让它指向我们想要过滤的方向。
ogre3d.cn
3. With the feather of them, they can be used to developing visualization simulation engine. These algorithms also include the terrain texture generation algorithms and the frustum culling algorithms.
这一章还介绍了地形纹理的生成算法，视图平截头体选取算法，这些算法使得计算机可以用来处理大规模的可视化工作。
dict.cnki.net
4. Time spent culling objects outside the camera frustum.
摄像机视景外剔除对象花费的时间。
www.manew.com
5. By default, Ignore Layers is none so all geometry that intersects the Projector frustum will be affected.
因此与投影机平截头体相交的几何体都会受到影响。
game.ceeger.com
6. A good organizational hierarchy can speed frustum and occlusion culling.
一个好的结构可以加快视锥剔除和遮挡筛选。
liuwanfang86.jimdo.com
7. To make use of these coordinates, we must first re-define them in terms of the visible area of the viewing frustum.
了利用好这些坐标，我们首先需根据视图锥截体的可视区重新定义它们。
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8. If the bounding box of an entire branch is outside the frustum, there is no need to examine the children.
如果一个结点包围盒在视锥以外，那他的子结点将不被检测。
liuwanfang86.jimdo.com
9. If you look at the frustum from any side, you can view it as a two dimensional triangle - we will use this perspective to analyze the problem, as it allows us to deal with one axis at a time.
从任何一个角度看这个锥截体，它都是一个二维三角形—我们将用这个透视法来分析这个问题。用透视法我们可每次只处理一个轴。
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10. Benefit of this modified shape is that the expansion around the first corner reduces the initial pressure coefficient on the frustum to low values.
这个改进的外型的优点是绕第一角点的膨胀会把截锥上的初始压力系数减少到很低的值。
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11. This function returns six planes of a frustum defined by given view & projection matrix.
这个函数返回由给定的视窗和投影矩阵定义的视景的六个面。
game.ceeger.com
12. And then carries on frustum culling and collision detection and response based on it.
在此基础上进行摄影机裁剪和物体的碰撞检测及响应。
dict.cnki.net
13. Combining the feature of virtual scene and emulate application based on the scene graph, a new fast rendering approach was proposed based on view frustum culling algorithm and image caching algorithm.
结合基于场景图构建的虚拟场景和仿真应用的特点，提出了一种基于视域剔除和图像缓存技术的复杂场景快速绘制方法。
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14. All vertices are clipped by the front plane of the viewing frustum.
所有顶点都被视图截锥的前平面所剪辑。
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15. In ancient Babylonian mathematics, the expression of volume formula for the frustum of a square pyramid is much more complicated than its modern form.
在古巴比伦数学中，正四棱台体积公式的表现形式和现代形式相比十分复杂。
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16. The forming principle of frustum cone-like cup (container) is studied.
研究了圆台形纸杯（容器）的成型原理。
www.chemyq.com
17. Finally, because the grids of center-asymmetric algorithm are similar to the result of view-frustum culling, our method avoided view-frustum culling before rendering.
中心不对称的算法构造的网格已经接近视锥裁减的结果，因此可以省略中心对称算法在绘制时进行视锥裁减的步骤。
dict.cnki.net
18. According to this difficulty, a kind of fast calculation method of satellite orbit-extract the orbits control points is put forward, and perspective frustum is combined to judge the orbits visibility.
针对这一难点，提出了一种卫星轨道快速计算的方法-提取轨道的控制点，结合透视裁剪体来判断轨道的可见性。
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19. The procedure of primitives belongingness determining is speeded up using the fast view frustum culling technology of scene graph.
利用场景图在视景体内的快速裁剪技术，有效提高图元的归属判断速度。
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20. The procedure of primitives belongingness determining is speeded up using the fast view frustum culling technology of scene graph.
利用场景图在视景体内的快速裁剪技术，有效提高图元的归属判断速度。
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21. frustum of rectangular pyramid
四棱体
-- 来源 -- 英汉 - 短句参考
22. Benefit of this modified shape is that the expansion around the first corner reduces the initial pressure coefficient on the frustum to low values.
这个改进的外型的优点是绕第一角点的膨胀会把截锥上的初始压力系数减少到很低的值。
-- 来源 -- 英汉 - 辞典例句
23. frustum of pyramid
平截头棱锥体
-- 来源 -- 英汉 - 短句参考
24. a frustum formed from a pyramid.
用棱锥做的平截头体。
-- 来源 -- 汉英 - 翻译参考
25. frustum of cone
平截头圆锥体
-- 来源 -- 英汉 - 短句参考
26. a frustum formed from a cone.
用圆锥体做的平截头体。
-- 来源 -- 汉英 - 翻译参考
27. frustum of sphere
球截角锥体
-- 来源 -- 英汉 - 短句参考
28. frustum of a cone
圆锥截体
-- 来源 -- 英汉 - 短句参考
29. frustum of wedge
尖劈截角锥体
-- 来源 -- 英汉 - 短句参考
30. above the bosh the stack extends from the widest part to the top. Its shape is like a frustum of a cone. Here the reduction of the iron oxides to sponge iron takes place.
炉身位于炉腹之上，从高炉直径最大处一直到炉顶，其形状就象一个截头圆锥。在这里铁氧化物被还原成海绵铁。
-- 来源 -- 英汉 - 翻译样例 - 工程
frustum
