英德
有道
百度
谷歌
图片
维基
百科
旋转中心
center of rotation
center of gyration
center of gyration
- 重点介绍了高精度确定大型天线几何旋转中心的观测方案和计算方法。
This paper specified the observation and computation method for determining the big antenna's geometric rotation center. - 并利用正多边形顶点与形心的关系约束形成射影不变性，用来自动检测目标的旋转中心。
Depending on the special relationship between vertexes and their center in a regular polygon a projective invariance is formed to extract the rotational center of object. - 还对系统的空间分辨率、能量分辨率、空间线性、均匀性、旋转中心等几个方面对SPECT 的质量控制也做了简要介绍。
A brief introduction is also given of the quality control of SPECT in terms of its spatial resolution, energy resolution, spatial linearity, sensitivity, and center of rotation.
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