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- Two layer regular polygon central configurations of 2N-body problems are studied. The conditional equations and existence proof of these solutions of the problems are given. 摘要研究2N体问题2层正多边形中心构型。给出了2层正多边形中心构型存在的条件方程,论证了解的存在性。
- two layer regular polygon 两层正多边形
- A point equidistant from the vertexes of a regular polygon. 中心点,中枢与一正多边形各角顶点等距的一点
- The shagreen cell is two layer with chlorophyll. 绿皮细胞2层,有叶绿体;
- The circle has greater area than a regular polygon of the same perimeter. 正的面积比同样周长的正多边形的面积大。
- The research, however, connects two layer strips together. 这项研究,不过,连接两个层带在一起。
- The perpendicular distance from the center of a regular polygon to any of its sides. 边心距正多边形中心到其任意一条边的垂直距离
- A line segment that joins the center of a regular polygon with any of its vertices. 将正多边形的中心与它的一任一顶点起的来的线段
- When notching two layers of fabric, notch each layer alternately. 两层面料都需打刀眼时,必须一层一层地交替进行。
- A regular mosaic is a pattern made up by repeating the same regular polygon over and over, with no spaces in between, and no overlap of the shpaes. 规则的马赛克是通过相同的规则多边形不断重复拼接而成的图案,其间没有空隙,互不重叠。
- By organizing data block partition, two layer nested bintree were built. 在数据分块组织的基础上构建了两层嵌套二叉树。
- Door panel made of two layers aluminum. 双层铝合金门板。
- This is a membrane which is made up of two layers. 这是由脏层和壁层两个层组成的膜。
- It studied the radiation problem of TLP, and paid attention to the computation of added mass and added damping about TLP which cylinders are set as regular polygon. 研究了张力腿平台的辐射问题,重点研究了浮筒柱正多边形分布情况下,总体辐射附加质量和阻尼系数计算问题。
- Eyes are composed of two layers of hemisphere. 眼睛由两层半球组成。
- Parts could be machined to polygon prisms based on the property of roulettes that their central shapes are regular polygon prisms if tolerance was permitted. 根据定轴轮系的传动性质,可推导出多齿轮固定轮系旋轮线的轨迹。
- The periplasm of eggs included two layers. 甜菜夜蛾卵的周质分两层;
- This makes the sling into a two layered tube. 这样背巾就折成一个双层的环了。
- For solving regular polygon,the author presents a geometrograph which divides the circumference uniformly and arbitrarily; and derives an analytic expression. 介绍任意等分圆周的几何作图法及所推导的解析表达式,提出用解三角形法解决正多边形零件在设计和加工中的计算问题。
- A simile has at least two layers of meaning. 明喻修辞至少有两层含义。