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- Four dimensional CT 四维CT
- Objective To evaluate the diagnostic value of three dimensional CT reconstruction (3DCT) in atlantoaxial lesions. 目的探讨三维CT重建对寰枢椎病变的诊断价值。
- Objective To evaluate the role of three dimensional CT(3 D CT) reconstruction in imaging atlanto axial rotatory deformities in children. 目的 探讨三维CT 重建对小儿寰枢椎旋转畸形的临床应用价值。
- Objective:In order to develop a orthognathic simulation system we reconstruct a cra niofacial skeleton model based on tw o dimensional CT slices . 目的:由二维CT切片图像重建三维颅颌面骨骼立体模型,供进一步的正颌外科手术预测和模拟系统使用。
- I was seeing in four dimensions at once. 我同时看到四个维度。
- A new color video coding method whichcombines 4D-MDCT and four dimensional intra prediction is proposed. 该文基于4D-MDCT并结合四维帧内预测技术提出了一种彩色视频编码的新方法。
- The math behind Quaternions involves four dimensional linear algebra, which is very difficult to understand. 四元组的数学意义是一个较难理解的四维线性代数。
- Using the Gauss-Bonnet theorem, Stephen Hawking proved that the topology of the event horizon of a (four dimensional) black hole is a 2-sphere. 使用高斯-博内定理,史蒂芬·霍金证明一个（四维）黑洞活动视界的拓扑结构是2个球体。
- Methods 35 patients with hip joint trauma which diagnosed with spiral CT were reconstructed with 3 dimensional CT(including mutilplanar reformation-MPR,Shadow surface display-SSD,and volume rendering-VR) in ADW 4.2 workstation. 方法:使用GE16排螺旋CT对35例髋关节创伤患者行螺旋CT轴位扫描;在GEadw4.;2工作站采用MPR、SSD、VR技术做三维重建。
- The vivid image of spiral three dimensional CT reconstruction in urological system(CTU) can reflect the real anatomy of the apparatus inside the body and renal metabolism. It can replace traditional intravenous urography. 泌尿系螺旋CT三维重建(CTU)的清晰影像,能反映人体内部器官的真实解剖图形和肾功能的代谢,可以取代传统的静脉尿路造影(IVP)。
- By analogizing the coordinate conversion of two-dimensional plane,we turn the Minkowski four dimensional space,and deduce the Lorentz transformation. 转动闵可夫斯基四维空间,类比二维平面坐标系转动的坐标变换关系,导出洛伦兹变换关系。
- The modulated vector and the four dimensional index of all Bragg reflections of incommensurately modulated structures were determined. 据此对单晶衍射数据进行了四维空间的指标化。
- Specified by or exhibiting four dimensions, especially the three spatial dimensions and single temporal dimension of the relativity theory. 四维的，四度空间的由四维确定或表现的，尤指三个空间维度和相对理论中的时间维度
- Three dimensional CT angiography 三维CT脑血管造影
- Examples of the absoluteness include the principle of invariance for velocity of light, the principle of special relativity, the principle of general relativity, eigenlength, eigentime, Minkowski four dimensional space-time. 在教学中常常强调其中的”相对”，而忽视了相对论中还有“绝对”的一面，如光速不变原理、狭义相对性原理、广义相对性原理、本征长度、本征时间、闵可夫斯基四维时空等都具有绝对性。
- Academic liberalism has four dimensions of economic,political,social ethics and philosophical doctrines. 学理上的自由主义 ,主要有经济学说、政治学说、社会伦理学说和哲学学说四个维度。
- Quaternions extend the concept of rotation in three dimensions to rotation in four dimensions. 四元数将三维中旋转的概念扩展到四维中的旋转。
- Exploratory Factor Analysis (EFA) showed that the Competition Scale has four dimensions including nine sub-dimensions. 该初始版本具有竞争倾向、竞争动机、竞争策略和竞争内容4个维度，共包含9个子维度。
- Three dimensional CT diagnosis of radicular type cervical spondylosis 神经根型颈椎病的三维CT诊断
- Specified by or exhibiting four dimensions, especially the three spatial dimensions and single temporal dimension of the relativitytheory. 四维的,四度空间的由四维确定或表现的,尤指三个空间维度和相对理论中的时间维度。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
