trigonal

1. A trigonal bipyramid has three equatorial and two axial positions.
   一个三角双锥体有三个赤道位和两个轴向位。
2. By Evjen crystal cell, the calculation formula about Madelung constant for the two-dimensional trigonal ion crystal was deduced.
   采用埃夫琴晶胞推导了计算二维三角离子晶体的马德隆常数的通项公式。
3. Raman Scattering Studies on PZT Thin Films for Trigonal and Tetragonal Phase Transition
   硅基PZT热释电薄膜三方-四方相变的拉曼散射研究
4. On the g factors of~ 2E state for 3d~ 3 ions at trigonal symmetry
   三角对称下3d~3离子~2E态g因子性质研究
5. The utility model provides a trigonal pencil which consists of a pencil core and a pencil body, and is characterized in that the trigonal pencil body is arranged on the periphery of the pencil core.
   本实用新型提供一种由铅笔芯和铅笔体组成的三棱铅笔，其特征是：在铅笔芯外围设置一三棱柱形铅笔体。
6. Speech enhancement using a small trigonal microphone array
   基于等边三角形麦克风阵列的语音增强
7. Inspiration of EU Rail Financing-investment System to Yangzi River Delta Rail Network; trigonal hybrid orbital
   欧盟铁路投融资制度对长三角轨道交通网投融资设计的启示
8. Trigonal tongue cover, generous sculpt, easy to open.
   三角形舌盖，造型大方，方便开启。
9. A method of obtaining the pure mode direction of the trigonal system by the slowness surfaces is introduced.
   本文介绍了一种利用慢度曲面判断三方晶系晶体纯模轴的方法。
10. The shape is actually trigonal pyramidal.
    它的形状是三角金字塔形。
11. The latter is closely related to the former being formed by a 60o rotation of one of the trigonal faces.
    后者与前者密切相关，前者是由一个三角形平面旋转60o而成。
12. The combined influences of the Sun, Uranus and Jupiter into trigonal with your sign brings to you optimism and more of corrosive.
    太阳、天王星和木星三方面的结合将会给你带来更多的乐观主义和对不感兴趣的事物的排斥。
13. The trigonal prism yields three isomers also, but there are only two octahedral arrangements for this formulation.
    三棱柱也有三个异构体，而对于这个分子式，仅有两种八面体排布。
14. Influence of Spin Singlet on Zero Field Splitting and g Factors of 3d~ 2/ 3d~ 8 Ions in Trigonal Field
    自旋单态对3d~2/3d~8离子在三角场中的零场分裂和顺磁g因子的影响
15. Jupiter and Uranus into trigonal with your sector indicate external circumstances which push you to too often camp on your positions.
    木星与天王星方面和你进入的行业表明外部的情况将你推向了展现自己的境况中。
16. So it's trigonal pyramidal.
    所以它是三角形金字塔。
17. So it's trigonal because we have these three atoms that are bound to the central atom here, and if you picture it, it's actually shaped like a pyramid.
    这里三角形是因为，我们有3个原子核中心原子成键，如果你画它，它就是金字塔形的。
18. Investigation on the Pure Mode Direction of Trigonal System by Slowness Surface
    利用慢度曲面研究三方晶系晶体的纯模轴
19. A new calculating method has been proposed for the elongation and twist of trigonal prism.
    建立了一种新的三棱柱配位结构伸缩变形和扭曲变形的计算方法。
20. From the lubrication and aimed at the moving features of reciprocating slider and combined with tribology, a trigonal slider is designed by author and the equation of oil film thickness and oil film pressure are given based on the calculation.
    作者从润滑角度出发，针对往复式运动滑块运动特点，结合摩擦学原理，设计了一种三角形滑块，并进行了理论计算，得出了油膜厚度方程和油膜压力方程。
21. SUPERPOSITION OF THREE STRESS STATES AND ANALYSIS OF TRIGONAL TECTONIC STRESS FIELDS& Research on combined tectonic stress-fields(ⅲ)
    三应力状态的叠加和三角形构造应力场分析&联合构造应力场研究（Ⅲ）
22. In the compound 2, the Co ions are five-coordinated in trigonal bipyramidal geometry.
    而在化合物2中，Co离子是五配位三角双锥几何体。
23. Analysis for the electron paramagnetic resonance parameters of s~ 6-state ion in trigonal crystal fields
    三角晶场中~6S态离子电子顺磁共振参量的分析
24. The formulas of EPR for d~ 8 configuration in trigonal crystal field and Application
    三角对称晶场下d~8电子组态的EPR参量的普遍公式及其应用
25. From this view, by diagonalizing the perturbation energy matrices with trigonal symmetry ligand field, we find that the experimental EPR zero-field splitting parameters a, D, and ( a-F) can be explained reasonably.
    从这一观点出发，通过对角化三角场中的微扰能量矩阵，使得ZnS∶Mn2+和ZnS∶Fe3+体系的EPR零场分裂参量α，D和（a-F）的实验值都能得到满意的解释。
26. In the crystals of the complex, the tin atoms are penta-coordinated in a distorted trigonal bipyramidal configuration.
    在该配合物的晶体中，锡原子呈五配位畸变三角双锥构型。
27. The Research on Theory and Frictional Coefficient-experiment of Trigonal Slider Based on Tribology
    基于摩擦学三角形滑块的理论及其摩擦系数实验研究
28. We have calculated the phonon spectrum of trigonal lattice of two-dimensional pre-and after Peierls phase transition applying lattice dynamics in this article.
    利用晶格动力学理论计算了二维三角晶格的Peierls相变前后的声子能谱。
29. The trigonal symmetry of the quartz crystal and the corrosive-resistance of Cr/ Au mask are the keys to limit the outline of the quartz tuning fork.
    石英晶体结构的三角对称性和Cr/Au掩模的耐腐蚀性是限制微细加工制作石英音叉达到理想形状的关键。

adj

1. having threefold symmetry

   Synonym:    rhombohedral