octahedra造句

• The cycle sum of the rotation group of the octahedron was calculated .
  正八面体的旋转群的循环和已算出。
• Closed form solution to workspace of double-octahedron variable geometry truss robotic manipulators
  二重八面体变几何桁架机器人工作空间解析
• In the 1960s the most popular pattern had 336 dimpled octahedrons in parallel circles around the ball
  在20世纪六十年代最流行的式样是336个八面体酒窝（豆点）分布在环绕球面的平行圆周上。
• The error formulas of position and orientation for the octahedron parallel machine tool and the new type of parallel machine tool are set by using perturbation method
  利用摄动法得出了八面体并联机床和新型并联机床的位姿误差关系式。
• Based on it, the monte carlo simulation is implemented for the octahedron parallel machine tool, and then the statistical frequency histogram is given
  在此基础上，对八面体并联机床的位姿误差进行了montecarlo模拟，给出了统计频数直方图。
• Znd2180 complete crystal shape, perfect cubic octahedron, good diaphaneity, high impact strength and thermal stability, suitable for high grade cutting, drilling, and grinding tools
  znd2180晶体完整，具有完整的立方八面体，透明度好，高的抗冲击强度和热稳定性。适用于高档次切割工具、钻头、碾磨工具。
• 4 . the molecular structure shows that there are two types of coordination environment for fe atoms . one is formed by two n atoms and four o atoms, another by six o atoms, all in distorted octahedron
  分子结构表明存在两种fe离子的配位环境。一种为2个配位n原子和4个配位o原子，另一种为6个配位o原子均为畸变八面体。
• Plato conjectured each of these elements to be made up of a certain platonic solid : the element of earth would be a cube, of air an octahedron, of water an icosahedron, and of fire a tetrahedron
  柏拉图推测每一种元素都是由某些理想立方体组成：地元素是由立方体组成，风元素是一个八面体，水元素是二十面体，火元素是四面体。
• The equations of workspace boundary surfaces for double-octahedron variable geometry truss pmts are derived based on surface analysis method . the projection and section curve grapha of workspace boundary surfaces for double-octahe
  推导出了zrpsztps型及m3tps型并联机床运动学分析的一阶和二阶影响系数矩阵，得到了其运动学模型。
• These analy'tical expressions are solved using homotopy cofitinuation algorithjns, all solotions of singularity configuration are obtained . a numerical exarnple of singularity configuration analysis for double-octahedron variable geometry truss pmts is given .,
  以r3tps型并联机床为对象，提出了一种精度建模方法，该方法将精度建模的问题转化对应的“虚拟机构”的运动分析问题。
• The study results obtained by afm suggest that the flow pattern defects were revealed as having wedge shape and there were small octahedron voids surrounded by { 111 } which were the same as cops and lstds planes were observed at the tips of flow pattern defects
  用原子力显微镜对fpds结构的研究结果表明，fpds缺陷形如抛物线，并且在其端部存在有和cops、lstds缺陷相同的由{111}面构成的八面体空洞。
• The analytical equations of workspace boundary surfaces for the octahedron parallel machine tool and the new type of parallel machine tool are derived based on the forward displacement analysis . based on it, the projection graphs of workspace boundary surfaces are drawn
  提出了并联机床工作空间分析的解析方法，得到了八面体并联机床和新型并联机床的工作空间边界曲面的解析方程，并在此基础上绘出了工作空间边界曲面的图形。
• The workspace analysis, error model, 3d modeling, motion simulation and auto-program of nc for an octahedron parallel machine tool and a new type of parallel machine tool are studied in this thesis . in this thesis an analytical method for workspace analysis of parallel machine tools is proposed
  本文以八面体并联机床和一种新型并联机床为对象，主要对它们的工作空间、误差模型、实体建模、运动仿真和数控程序的自动编程等方面进行了研究。
• Moreover, the octahedron voids would change to shallow orbicular pits and vanished at last if the etching time was prolonged . our results were contrasted to the result that the fpds are interstitial type defects concluded by takeno et al and support the views that the fpds are vacancy-type defects
  本次的实验结果与takenold等人对fpds的研究结果大大相反，他们认为fpds的端部是一些间隙型的位错环，而本实验的实验结果却支持了fpd缺陷属空位型缺陷的观点。
• Through charoma theory and metal-bearing ores " color index analysis, the color of the turquoise is quantitated . crystal field spectra of cu2 + ion have been analysed and compared with the oretical calculations, the results show that the basic color of turquoise ( azure ) is related to the existence of cu2 + octahedron . in this charpter, quantum mineralogy theory is used in quantity
  通过吸收光谱实验，利用量子矿物学的有关知识，对绿松石中铜离子的晶体场谱进行了计算，并利用晶体场理论解释了绿松石吸收光谱，揭示了绿松石颜色形成的主要原因是联系着晶体场谱的颜色：过渡金属铜离子对绿松石的颜色起主要作用??决定了绿松石的基本色调(天蓝色)。
• The projection and section curve graphs of workspace boundary surfaces for 6-sps type pmts are drawn . results of analysis show that the theoretic workspace of 6-sps trpe pmts is enveloped by 30 surface patchs . input and output ewtons of displacement analysis for double-octahedron variable geometry miss pmts are established, analytical expressions for determining singuledty configuration are derived
  分别推导出了znysztps型、ips3tps型和iptztps型并联机床奇异仓形判别的解析表达式，得到了奇异曲面方程，并由边界曲面分析方法得到了lps3tps型和iptztps型并联机床的工作空间，文中给出了以上混联结构并联机床奇异位形与工作空间分析的数值实例。
• Product this getting wet pouch active mt of packaging completely, main raw materials active mt one natural having special crystallization layers of silicate clay ore of form scarce, sublimated and processed and succeeded by special technology, one layer of forms tetrahedron and octahedra chip of it are arranged into six mao net, cause the crystalline grain to expand after absorbing water, pick up the moisture, get rid of oxygen, keeps fresh, anticorro sion, long result function, it is a kind of healthy green environmentally safe product
  本品是透湿性小袋包装的活性mt，主要原料活性mt是一种天然稀有的具特殊结晶层状的硅酸盐粘土矿，经特殊技术提纯加工而成，它的层状四面体和八面体晶片排成六角网格，吸水后引起晶格膨胀，具吸湿、除氧、保鲜、防蚀、长效功能，是一种健康绿色环保产品。
• Through the study and analysis conclude as follows : in human dna sequences, if the distinction of the number of the four bases is very small, they can distribute in a sphere whose radius equal to 1 / 4; if the distinction of them is comparative large, they can distribute between the sphere and the frustum-octahedron; if one is 0 in them, they can distribute between the frustum-octahedron and regular-octahedron; if the distinction of them is especial large, they may distribute in the outer of the regular-octahedron
  通过研究和分析得到结论为：在人类dna序列中，如果四个碱基的数目相差很小时，它们可能分布在半径为1/4的球内；如果相差比较大时，它们可能分布在这个球和截角八面体之间；如果在四个碱基数目中有一个为零时，那么它们有可能分布在截角八面体和正八面体之间；如果相差的特别大，甚至有可能落在那个正八面体的外部。
• Through the study and analysis conclude as follows : in human dna sequences, if the distinction of the number of the four bases is very small, they can distribute in a sphere whose radius equal to 1 / 4; if the distinction of them is comparative large, they can distribute between the sphere and the frustum-octahedron; if one is 0 in them, they can distribute between the frustum-octahedron and regular-octahedron; if the distinction of them is especial large, they may distribute in the outer of the regular-octahedron
  通过研究和分析得到结论为：在人类dna序列中，如果四个碱基的数目相差很小时，它们可能分布在半径为1/4的球内；如果相差比较大时，它们可能分布在这个球和截角八面体之间；如果在四个碱基数目中有一个为零时，那么它们有可能分布在截角八面体和正八面体之间；如果相差的特别大，甚至有可能落在那个正八面体的外部。
• Through the study and analysis conclude as follows : in human dna sequences, if the distinction of the number of the four bases is very small, they can distribute in a sphere whose radius equal to 1 / 4; if the distinction of them is comparative large, they can distribute between the sphere and the frustum-octahedron; if one is 0 in them, they can distribute between the frustum-octahedron and regular-octahedron; if the distinction of them is especial large, they may distribute in the outer of the regular-octahedron
  通过研究和分析得到结论为：在人类dna序列中，如果四个碱基的数目相差很小时，它们可能分布在半径为1/4的球内；如果相差比较大时，它们可能分布在这个球和截角八面体之间；如果在四个碱基数目中有一个为零时，那么它们有可能分布在截角八面体和正八面体之间；如果相差的特别大，甚至有可能落在那个正八面体的外部。